Table 1 (All Classes in 1 Table) This revision combines the Delta and the Wye-Connected Tables from Revision 8 into the new Revision 9
|
|
|
- Jerome Jefferson
- 7 years ago
- Views:
Transcription
1 Max in kv Table 1 (All Classes in 1 Table) From C Table 7 in kv Nominal 2V (V, in kv) Delta Gr Y Imp Y 3 Induced Test, in kv Dist. & Class I Class 2, >72.5 kv Basic Insulation Level, in kv Neutral BIL, in kv One Hour Enhanced 7200 cy Min. Alternates GrY Impedance Distribution and Class I Power Transformers, =69 kv Nominal Class II Power Transformers, > 72.5 kv Nominal * 95* N/A * 95* N/A * 95* N/A * * 95* N/A * * 95* N/A * 350* N/A 34* 95* N/A * 350* N/A 34* 95* N/A * 350* N/A 34* 95* N/A * 350* 1.* Insulation level to conform with service requirements but never less than the level shown. 2. The BIL serves both as a test level for the full wave lightning impulse tests and as the primary identity of a set of coordinated insulation levels. 3. Front-of-wave Impulse levels must be specified prior to design of the transformer. 4. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 5. The Insulation levels for Distribution, Class 1 and Class 2 transformers shall be selected from this table for both the highvoltage 6. All test levels are line to ground. 7. The applied test levels are not applicable to wye-connected windings unless they have been specified to be suitable for 8. Phase-to-Phase Induced test levels for 3 phase Distribution Transformers shall be not less than 2.0 times nominal 9. Phase-to-Phase Induced test levels for 3 phase Class I Power Transformers shall be not less than 1.65 times nominal 10. When specified, Y-Y connected transformers using a common solidly grounded neutral may use a neutral bushing sellected in accordance with the requirements of the low voltage winding. 11. s greater than Maximum shall use the next higher voltage class test levels. 12. Neutral BIL shall be a minimum of 2.5 times neutral applied potential test level. 13. Single phase distribution and power transformers and regulating transformers for voltage ratings between terminals of 8.7 kv and below are designed for both Y and Delta connection so that a single line of transformers serves for the higher than needed for their voltage rating. 14. For Series windings in transformers, such as regulating transformers, the test values to ground shall be determined by the BIL of the series windings rather than the rated voltage between terminals.
2 This example shows Table 1 split into two tables by transformer class: Table 1a (Distribution and Class 1) Max (kv) Nominal From C Table 7 (kv) (kv) Delta Gr Y Imp Y Induced Test in kv 2V Distribution Transformers 3 Basic Insulation Level (kv) Neutral BIL (kv) Min. Alternates GrY Impedance Class I Power Transformers, =69 kv Nominal * Insulation level to conform with service requirements but never less than the level shown. 15. The BIL serves both as a test level for the full wave lightning impulse tests and as the primary identity of a set of coordinated insulation levels. 16. Front-of-wave Impulse levels must be specified prior to design of the transformer. 17. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 18. The Insulation levels for Distribution, Class 1 and Class 2 transformers shall be selected from this table for both the highvoltage 19. All test levels are line to ground. 20. The applied test levels are not applicable to wye-connected windings unless they have been specified to be suitable for 21. Phase-to-Phase Induced test levels for 3 phase Distribution Transformers shall be not less than 2.0 times nominal 22. Phase-to-Phase Induced test levels for 3 phase Class I Power Transformers shall be not less than 1.65 times nominal 23. When specified, Y-Y connected transformers using a common solidly grounded neutral may use a neutral bushing sellected in accordance with the requirements of the low voltage winding. 24. s greater than Maximum shall use the next higher voltage class test levels. 25. Neutral BIL shall be a minimum of 2.5 times neutral applied potential test level. 26. Single phase distribution and power transformers and regulating transformers for voltage ratings between terminals of 8.7 kv and below are designed for both Y and Delta connection so that a single line of transformers serves for the higher than needed for their voltage rating. 27. For Series windings in transformers, such as regulating transformers, the test values to ground shall be determined by the BIL of the series windings rather than the rated voltage between terminals.
3 Max (kv) Table 1b (Class II Transformers) Induced Test (kv) From C Table 7 (kv) Class 1 Class 2, >72.5 kv Basic Insulation Level (kv) Neutral BIL (kv) Nominal (kv) Delta Gr Y Imp Y =69 kv One Hour Class II Power Transformers, > 72.5 kv Nominal Enhanced 7200 cy. Min Alternates GrY Impedance * 95* N/A * 95* N/A * 95* N/A * * 95* N/A * * 95* N/A * 350* N/A 34* 95* N/A * 350* N/A 34* 95* N/A * 350* N/A 34* 95* N/A * 350* 1.* Insulation level to conform with service requirements but never less than the level shown. 2. The BIL serves both as a test level for the full wave lightning impulse tests and as the primary identity of a set of coordinated insulation levels. 3. Front-of-wave Impulse levels must be specified prior to design of the transformer. 4. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 5. The Insulation levels for Class 1 and Class 2 transformers shall be selected from this table for both the high-voltage and lowvoltage windings. 6. All test levels are line to ground. 7. The applied test levels are not applicable to wye-connected windings unless they have been specified to be suitable for 8. Phase-to-Phase Induced test levels for 3 phase Class I Power Transformers shall be not less than 1.65 times nominal 9. When specified, Y-Y connected transformers using a common solidly grounded neutral may use a neutral bushing sellected in accordance with the requirements of the low voltage winding. 10. s greater than Maximum shall use the next higher voltage class test levels. 11. Neutral BIL shall be a minimum of 2.5 times neutral applied potential test level. 12. For Series windings in transformers, such as regulating transformers, the test values to ground shall be determined by the BIL of the series windings rather than the rated voltage between terminals.
4 Table 2 High Frequency Test Tables BIL Chopped Wave Front Of Wave Switching Impulse 1.2 X 50 µ-sec 1.1*BIL *BIL N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified Front-of-Wave tests must be specified prior to the design of the transformer. 2. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 3. The Insulation levels for Distribution, Class 1 and Class 2 transformers shall be selected from this table for both the highvoltage 4. Phase to ground specified Switching impulse levels are not always possible for low voltage windings.
5 Table 1b Max (V) Nominal From C Induced Test Table 7 2V Basic Insulation Level Neutral BIL (V) Delta Gr Y Imp Y 3 Min. Alternates GrY Impedance Distribution Transformers Class I Power Transformers, < or = 69 kv Nominal Insulation level to conform with service requirements but never less than the level shown. 13. The BIL serves both as a test level for the full wave lightning impulse tests and as the primary identity of a set of coordinated insulation levels. 14. Front-of-wave Impulse levels must be specified prior to design of the transformer. 15. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 16. The Insulation levels for Distribution, Class 1 and Class 2 transformers shall be selected from this table for both the highvoltage 17. All test levels are line to ground. 18. The applied test levels are not applicable to wye-connected windings unless they have been specified to be suitable for 19. Phase-to-Phase Induced test levels for 3 phase Distribution Transformers shall be not less than 2.0 times nominal 20. Phase-to-Phase Induced test levels for 3 phase Class I Power Transformers shall be not less than 1.65 times nominal 21. When specified, Y-Y connected transformers using a common solidly grounded neutral may use a neutral bushing sellected in accordance with the requirements of the low voltage winding. 22. s greater than Maximum shall use the next higher voltage class test levels. 23. Neutral BIL shall be a minimum of 2.5 times neutral applied potential test level. 24. Single phase distribution and power transformers and regulating transformers for voltage ratings between terminals of 8.7 kv and below are designed for both Y and Delta connection so that a single line of transformers serves for the higher than needed for their voltage rating. 25. For Series windings in transformers, such as regulating transformers, the test values to ground shall be determined by the BIL of the series windings rather than the rated voltage between terminals.
6 Table 2 High Frequency Test Tables BIL Chopped Wave Front Of Wave Switching Impulse 1.2 X 50 µ-sec 1.1*BIL *BIL N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified N/A unless specified Front-of-Wave tests must be specified prior to the design of the transformer. 5. Front-of-wave tests are not recommended on low voltage or tertiary windings that are not exposed to lightning. 6. The Insulation levels for Distribution, Class 1 and Class 2 transformers shall be selected from this table for both the highvoltage 7. Phase to ground specified Switching impulse levels are not always possible for low voltage windings.
Discussion on Class I & II Terminology. IEEE PES Transformers Committee Fall Meeting 2011 Boston, MA
Discussion on Class I & II Terminology IEEE PES Transformers Committee Fall Meeting 2011 Boston, MA What is Class I & II? C57.12.00 2010 is the only document we have that defined these terms. 5.10 Insulation
Unified requirements for systems with voltages above 1 kv up to 15 kv
(1991) (Rev.1 May 2001) (Rev.2 July 2003) (Rev.3 Feb 2015) Unified requirements for systems with voltages above 1 kv up to 15 kv 1. General 1.1 Field of application The following requirements apply to
DS 600. A contact free flux gate based current measurement sensor 600A rms
DS 600 A contact free flux gate based current measurement sensor 600A rms DS 600 is member of the small housing sensor family. The family includes a 200A and a 600A version. 600A rms - 900A peak Maximum
INTERNATIONAL STANDARD
INTERNATIONAL STANDARD IEC 60071-2 Third edition 1996-12 Insulation co-ordination Part 2: Application guide This English-language version is derived from the original bilingual publication by leaving out
HSP GmbH Zum Handwerkerhof 2 90530 Wendelstein Tel. 09129 / 2852-0 Fax: 09129 / 2852-11 Web: www.hsshsp.de EMAIL: HSP@hsshsp.de NTG-3000.
NTG-3000 Transducer Data Sheet Document Version 2.8 Page 1 of 10 Versions / Revisions: Document Creation Author Description version date 2.0 2012-07-25 P. Compensis First official version 2.1 2012-08-24
0.84" x 2.00" Z-TRAUQ INC. Tel.: (450)226-6997 Fax: (450)226-5837 z-trauq@qc.aira.com SPLIT CORE CURRENT TRANSFORMER MODEL 1SP.
SPLIT CORE CURRENT MODEL 1SP 0.84" x 2.00" PAGE No 3-2 REV 18DEC00 UL 1015 LEAD WIRE, STANDARD LENGTH IS 36 E DIMENSIONS A = 0.84 MIN B = 2.00 MIN C = 3.31 MAX D = 3.09 MAX E = 0.61 MAX F = 0 MAX F C B
SANS 10142-1 : 2008 CODE OF PRACTICE THE WIRING OF PREMISES Part 1 : Low Voltage Installation
SANS 10142-1 : 2008 CODE OF PRACTICE THE WIRING OF PREMISES Part 1 : Low Voltage Installation 4 Compliance Proof of Compliance (Sub clause 4.1.1) The SABS safety mark The SABS approved performance mark
Transformer Design & Design Parameters
Transformer Design & Design Parameters - Ronnie Minhaz, P.Eng. Power Transmission + Distribution GENERATION TRANSMISSION SUB-TRANSMISSION DISTRIBUTION DISTRIBUTED POWER 115/10 or 20 kv 500/230 230/13.8
Technical Information Requirement for MV transformers and transformer for internal power supplies for SUNNY CENTRAL
Technical Information Requirement for MV transformers and transformer for internal power supplies for SUNNY CENTRAL SC_Trafo-TI-en-62 Version 6.2 ENGLISH Table of Contents SMA Solar Technology Table of
2. INDUCTIVE VOLTAGE TRANSFORMERS Oil-paper insulation Gas insulation
2. INDUCTIVE VOLTAGE TRANSFORMERS Oil-paper insulation Gas insulation 123 kv Inductive Fingrid (Finland). 18 Instrument transformers igh voltage INTRODUCTION Inductive voltage transformers are designed
THE VALUE OF POWER FACTOR TESTING
THE VALUE OF POWER FACTOR TESTING Nov 1, 2005 12:00 PM by John Bleyer and Phillip Prout, National Grid NATIONAL GRID DISCOVERED A HIGH POWER FACTOR DURING ACCEPTANCE TESTING of a new 40-MVA transformer
Power Voltage Transformers for Air Insulated Substations. THE PROVEN POWER.
Power Voltage Transformers for Air Insulated Substations THE PROVEN POWER. Introduction Trench Power Voltage Transformers (Power VTs) combine the attributes of an inductive voltage transformer with the
SURGE PROTECTIVE DEVICES
SURGE PROTECTIVE DEVICES 1. INTRODUCTION In order to ensure safety of people, protection of equipment and, to a certain extent, continuity of supply, insulation co-ordination aims at reducing the likelihood
TWENTIES WORKSHOP, EWEA 2012 Unveiling the future energy system: full scale demonstrations to reach 2020 targets. 17th April 2012
TWENTIES WORKSHOP, EWEA 2012 Unveiling the future energy system: full scale demonstrations to reach 2020 targets 17th April 2012 Session 2 Technological challenges to cope with in TWENTIES field tests
Medium voltage insulator
Medium voltage insulator Line post insulators type R-ET Commercial designation LPI 24 N ET 1) LPI 24 L ET/5 1)2) LPI 24 L ET/6 1)2) LPI 38 L ET 1) esignation acc. to IEC 720 R 12,5 ET 125 N R 12,5 ET 125
TYPE TEST CERTIFICATE OF SHORT-CIRCUIT PERFORMANCE. A three-phase outdoor oil-immersed distribution transformer
168-08 TYPE TEST CERTIFICATE OF SHORT-CIRCUIT PERFORMANCE APPARATUS A three-phase outdoor oil-immersed distribution transformer DESIGNATION 1000 kva SERIAL No. 1-08-112-01-0001 Rated power Rated voltage
SAMPLE OF THE STUDY MATERIAL PART OF CHAPTER 3. Symmetrical Components & Faults Calculations
SAMPLE OF THE STUDY MATERIAL PART OF CHAPTER 3 3.0 Introduction Fortescue's work proves that an unbalanced system of 'n' related phasors can be resolved into 'n' systems of balanced phasors called the
Presentation of the France Transfo factories
Presentation of the France Transfo factories France Transfo's internationally recognised and highly esteemed expertise is today exported to more than 80 countries throughout the world. Over the past 15
MIT510/2, MIT520/2 and MIT1020/2
99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.testequipmentdepot.com MIT510/2, MIT520/2 and MIT1020/2 Line supply or battery operated Digital/analog
General Validation Test Program for Wind Power Plants Connected to the Hydro-Québec Transmission System
General Validation Test Program for Wind Power Plants Connected to the Hydro-Québec Transmission System Direction Planification des actifs et expertise de transport February 2011 TABLE OF CONTENTS 1. CONDUCTING
ACCURACY OF POTENTIALTRANSFORMERS
8 VOLTAGE TRANSFORMERS Two types of voltage transformer are used for protective-relaying purposes, as follows: (1) the "instrument potential transformer," hereafter to be called simply "potential transformer,"
PC software icos Advanced
HIGHVOLT Prüftechnik Dresden GmbH Marie-Curie-Straße 10 01139 Dresden, Phone +49 351 8425 700 Fax +49 351 8425 679 E-mail sales@highvolt.de Website http://www.highvolt.de Data Sheet 12.21/1 PC software
HV glass suspension insulator U70BS and U70BL type Ball and socket type Standard profile
U70BS and U70BL type IEC 60305 U70BS U70BL GOST 27661 ПС70Е ПС70Е Minimum mechanical failing load kn 70 70 Minimum mechanical residual strength kn 56 56 Diameter of the insulating part, D mm 255 255 Nominal
Three-phase AC circuits
Three-phase AC circuits This worksheet and all related files are licensed under the Creative Commons Attribution License, version 1.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/1.0/,
ENGINEERING REPORT. XYZ Corporation 100 Anyplace Drive Chicago, Illinois 60613
ENGINEERING REPORT XYZ Corporation 100 Anyplace Drive Chicago, Illinois 60613 PERFORMED BY: MIDWEST ELECTRICAL CONSULTANTS, INC 18055 UPLAND DRIVE TINLEY PARK, ILLINOIS 60487 (708) 444-0001 fax: 444-0003
7CURRENT TRANSFORMERS
7CURRENT TRANSFORMERS Protective relays of the a-c type are actuated by current and voltage supplied by current and voltage transformers. These transformers provide insulation against the high voltage
Testing of Power Transformers. Routine tests, Type tests and Special tests
Testing of Power Transformers Routine tests, Type tests and Special tests Testing of Power Transformers Routine tests, Type tests and Special tests Testing of Power Transformers Routine tests, Type tests
Transformer Bushings for GIS
Transformer Bushings for GIS Oil to SF6 Connections GARIP RTKG 725-55 kv SQS certified ISO 91 / ISO 141 Bushings RIP - Technology for SF6 / Oil - Bushings In modern metal enclosed switchgear SF6 -gas is
Medium-voltage Transformers
Technical Information Medium-voltage Transformers Important requirements for medium-voltage transformers for SUNNY BOY, SUNNY MINI CENTRAL and SUNNY TRIPOWER Contents This document describes the requirements
HV reed relays K-551H, K-552H K-553H, K-554H, K-555H, K-556H form A contact (normally open) for PCBs
50-5 Wrocław, ul. Krakowska 6, Poland tel. (+8) 7/-65-5, fax (+8) 7/-58-59 HV reed relays K-55H, K-55H K-55H, K-55H, K-555H, K-556H K-55H K-55H K-55H K-55H K-555H K-556H.CONTACT 0 Breakdown voltage min
The standards mentioned in this document
The standards mentioned in this document Where can you order IEC publications? Central Offices of the International Electrotechnical Commission 1, rue de Varembé Geneva - Switzerland. The documentation
Shunt Capacitor Bank Fundamentals and Protection
2003 Conference for Protective Relay Engineers - Texas A&M University April 8-10, 2003, College Station (TX) Shunt Capacitor Bank Fundamentals and Protection Gustavo Brunello, M.Eng, P.Eng Dr. Bogdan Kasztenny
CURRENT TRANSFORMER MODEL 546 UL1015 #16 AWG LEAD WIRE, STANDARD LENGTH IS 24" 1 X
CURRENT TRANSFORMER MODEL 546 1.10" I.D. PAGE No 1-38 REV 15DEC00 TERMINAL OPTION LEAD WIRE OPTION 1.10 0 1.20 2.55 3.00 3.47 0.18 x 0.31 SLOT ( 2 PLACES) 8-32 BRASS STUD (2 PLACES) UL1015 #16 AWG LEAD
3) What is the difference between "Insulating", "Isolating", and "Shielded Winding" transformers?
Tyco Electronics Corporation Crompton Instruments 1610 Cobb International Parkway, Unit #4 Kennesaw, GA 30152 Tel. 770-425-8903 Fax. 770-423-7194 1) What is a transformer and how does it work? A transformer
AMIS. Automated Metering and Information System. Integration of meters from other manufacturers
AMIS Automated Metering and Information System TD-3530/TACU30 Third-Party Device Gateway Integration of meters from other manufacturers Connection and integration of max. 3 meters from third party manufactureres
Definition AC Power Distribution
COMMON AC POWER DISTRIBUTION CONFIGURATIONS The input voltage needed to power electronic equipment is provided by the manufacture in the product specifications. Matching this requirement to the facility
Step Voltage Regulators
Step Voltage Regulators Don Wareham Field Application Engineer Today s Agenda Introduction Voltage Regulator theory Voltage Regulator application considerations Installation and proper bypassing Wrap-up/questions
Z-TRAUQ INC. Tel.: (450)226-6997 Fax: (450)226-5837 z-trauq@qc.aira.com
CURRENT TRANSFORMER MODEL J " x 7" PAGE No 2-2 REV 8DEC00 TERMINAL OPTION LEAD WIRE OPTION 8-2 BRASS SCREW TERMINALS (2 PLACES) SEE NOTE 9 6 9 8 6 Ø 2 9 (4 PLACES) UL 05 #6 AWG LEAD WIRE, STANDARD LENGTH
Dead Tank Circuit Breaker 72PM40-C Proven reliability through common platforms
Dead Tank Circuit Breaker 72PM40-C Proven reliability through common platforms ABB innovations for changing demands ABB (www.abb.com) is a leader in power and automation technologies that enables utility
CATALOGUE SURGE PROTECTION LOW VOLTAGE
CATALOGUE SURGE PROTECTION LOW VOLTAGE SALTEK, s.r.o. (limited liability company), is a Czech company specialising in the development and manufacture of surge protection devices (SPD). SALTEK offer a wide
Earth Fault Detection Basics in Theory
Earth Fault Detection Basics in Theory Author: Dipl.-Ing. Ingo Kühnen Woodward Power Solutions Krefelder Weg 47 47906 Kempen, Germany Kempen, 16.04.2010 Earth_Fault_Detection_20100416.doc page 1 1. Star
Power Technology Issue 106. Modeling of Three-Winding Voltage Regulating Transformers for Positive Sequence Load Flow Analysis in PSS E
SIEMENS Siemens Energy, Inc. Power Technology Issue 106 Modeling of Three-Winding Voltage Regulating Transformers for Positive Sequence Load Flow Analysis in PSS E Carlos Grande-Moran, Ph.D. Principal
1ZSE 2750-105 en, Rev. 8. Transformer bushings, type GOE and GOE(2) Technical guide
1ZSE 2750-105 en, Rev. 8 Transformer bushings, type GOE and GOE(2) Technical guide Original instruction The information provided in this document is intended to be general and does not cover all possible
English version. Voltage characteristics of electricity supplied by public distribution systems
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM TC8X_WG1/Sec0026/INF/rev.2 EN 50160 Draft May 2005 ICS 29.020 Supersedes EN 50160:1999 English version Voltage characteristics of electricity supplied
LOW VOLTAGE RING TYPE MEASURING CURRENT TRANSFORMERS
Specification for LOW VOLTAGE RING TYPE MEASURING CURRENT TRANSFORMERS CEYLON ELECTRICITY BOARD SRI LANKA Specification for LOW VOLTAGE RING TYPE MEASURING CURRENT TRANSFORMERS CEB Standard 027: 1998 CEYLON
Relés e Contatores de Estado Sólido SIRIUS
Relés e Contatores de Estado Sólido SIRIUS Coletânea de dados técnicos ( product data sheet ) Agosto/212 SSR - 3RF21 22,5 mm Ponto Zero SSR - 3RF2 45 mm Ponto Zero SSR - 3RF22 45 mm Ponto Zero Trifásico
MEDIUM AND HIGH VOLTAGE CAPACITORS, CAPACITOR BANKS AND SYSTEMS
MEDIUM AND HIGH VOLTAGE CAPACITORS, CAPACITOR BANKS AND SYSTEMS Meher Capacitors offers reliable and innovative products and solutions in the fields of Reactive Power Compensation, Power Quality and Energy
Pilot-wire differential relay for lines with two or more terminals
Pilot-wire differential relay for lines with two or more terminals Page 1 Issued: March 2003 Revision: A Data subject to change without notice Pilot-wire differential relay with RXHL 401 Features Phase
2a. IEM Indoor Metal Clad Medium Voltage Switchgear 15KV 16346-1. 2a. Section 16346 INDOOR METAL CLAD MEDIUM VOLTAGE SWTICHGEAR (Std.
2a. IEM Indoor Metal Clad Medium Voltage Switchgear 15KV 16346-1 2a. Section 16346 INDOOR METAL CLAD MEDIUM VOLTAGE SWTICHGEAR (Std. Relays) Part 1 General 1.1 CONDITIONS AND REQUIREMENTS: A. Refer to
TRANSRADIO SenderSysteme Berlin
1E-8920-810-DO Waniewski Contents 1.0 Introduction 2.0 Design of antenna tuning unit as diplexer and operational values 3.0 Measured value of antenna impedances for 135.6 khz 4.0 Measured values of impedances
Checking Capacitor Banks for Failed Capacitors
Checking Capacitor Banks for Failed Capacitors Introduction This technical note provides background information on capacitance testing of medium voltage double bushing capacitors commonly used in capacitor
produces and delivers products worldwide can provide the optimal are dedicated to supplying you with superior advice and global support.
www.ppcinsulators.com The very Best. The very Best. That s what we deliver. ong od Insulators Only a company that develops, produces and delivers products worldwide can provide the optimal solution for
Measurement, Modeling and Simulation of Capacitor Bank Switching Transients
Measurement, Modeling and Simulation of Capacitor Bank Switching Transients Mirza Softić*, Amir Tokić**, Ivo Uglešić*** *Kreka - Dubrave e, Dubrave, Bosnia and Herzegovina (e-mail: softic_mirza@yahoo.com).
Electronic timer CT-AHD.12 OFF-delayed with 1 c/o (SPDT) contact
Data sheet Electronic timer CT-AHD.12 OFF-delayed with 1 c/o (SPDT) contact The CT-AHD.12 is an electronic time relay with OFF-delay. It is from the CT-D range. With their MDRC profile and a width of only
Hyperlinks are Inactive
Prepared by: NIB/EOB PLANNING GUIDE FOR SINGLE CUSTOMER SUBSTATIONS SERVED FROM TRANSMISSION LINES 05503 Department: Electric T&D Section: T&D Engineering and Technical Support Approved by: G.O. Duru (GOD)
TRANSFORMER: THREE PHASE
CONTENTS Transformer : Three Phase 1211 C H A P T E R 33 Learning Objectives Three-phase Transformers Three-phase Transformer Connections Star/Star or Y/Y Connection Delta-Delta or Connection Wye/Delta
EVALUATION OF CURRENTS AND CHARGE IN SURGE PROTECTIVE DEVICES IN LOW-VOLTAGE DISTRIBUTION NETWORKS DUE TO DIRECT LIGHTNING STRIKES
EVALUATION OF CURRENTS AND CHARGE IN SURGE PROTECTIVE DEVICES IN LOW-VOLTAGE DISTRIBUTION NETWORKS DUE TO DIRECT LIGHTNING STRIKES W. Bassi A. Piantini N.M. Matsuo University of São Paulo, Brazil This
RM17TE 183...528 V AC. Main. Product or component type. Product specific application. Relay monitored parameters 250 V DC 5 A DC
Characteristics multifunction control relay RM17-TE - range 183..528 V AC Complementary Reset time Maximum switching voltage Minimum switching current Maximum switching current [Us] rated supply voltage
Redline. Comfort functions. Surge Arresters. SurgeGuard. Functions. Applications. Standards. Features. Marking. plug-in
Surge rresters Surgeuard omfort functions unctions Protection of an electrical installation and all electrical and electronic devices connected to this installation against destructive surges. Such voltage
The following table shows approximate percentage wise the
SHORT-CIRCUIT CALCULATION INTRODUCTION Designing an electrical system is easy and simple, if only the normal operation of the network is taken into consideration. However, abnormal conditions which are
Single-phase (220...240 V) voltage monitoring: Undervoltage Overvoltage Window mode (overvoltage + undervoltage) Voltage fault memory selectable
Features 70.11 70.31 70.41 Electronic voltage monitoring relays for single and three-phase applications Multifunctional types, providing the flexibility of monitoring Undervoltage, Overvoltage, Window
MiCAFIL. 1 RIP Technology. Bushings. Z. Zic 09/2003
MiCAFIL 1 RIP Technology Z. Zic 09/2003 )XQFWLRQRI+LJK9ROWDJH%XVKLQJ Uncontrolled (natural) electrical field Capacity-controlled electrical field %XVKLQJV0DLQ,QVXODWLRQ6\VWHPV 7\SH 0DLQ,QVXODWLRQ +RXVLQJFRYHU
INTERNATIONAL STANDARD
INTERNATIONAL STANDARD IEC 60076-11 First edition 2004-05 Power transformers Part 11: Dry-type transformers This English-language version is derived from the original bilingual publication by leaving out
Programmable Room Thermostat 7 Day (5-2 Day) Models: 22083 / 22087 Power Supply: Battery / Mains
Drayton Programmable Room Thermostat 7 Day (5-2 Day) Models: 22083 / 22087 Power Supply: Battery / Mains Invensys Controls Europe Technical Helpline: +44 (0) 845 130 7722 www.draytoncontrols.co.uk Installation
Medium-voltage transformers
Medium-voltage transformers We make energy measurable and take care of your future www.mbs-ag.com Page 2 E-Mail: info@mbs-ag.com Web: www.mbs-ag.com Contents Current transformers Technical characteristics
LC1D65AM7 TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 65 A - 220 V AC coil
Product data sheet Characteristics LC1D65AM7 TeSys D contactor - 3P(3 NO) - AC-3 -
Unit 33 Three-Phase Motors
Unit 33 Three-Phase Motors Objectives: Discuss the operation of wound rotor motors. Discuss the operation of selsyn motors. Discuss the operation of synchronous motors. Determine the direction of rotation
STEP-PS/1AC/12DC/1.5. Extract from the online catalog. Order No.: 2868567. DIN rail power supply unit 12 V DC/1.5 A, primary switched-mode, 1- phase
Extract from the online catalog STEP-PS/1AC/12DC/1.5 Order No.: 2868567 DIN rail power supply unit 12 V DC/1.5 A, primary switched-mode, 1- phase Commercial data EAN 4046356292924 Pack 1 pcs. Customs tariff
2 8 k V, 1 / C, T R X L P E I N S U L A T E D, F L A T S T R A P S H I E L D E D C A B L E, C O M P R E S S E D S T R A N D I N G
Seattle Cit y Light 1 of 4 2 8 k V, 1 / C, T R X L P E I N S U L A T E D, F L A T S T R A P S H I E L D E D C A B L E, C O M P R E S S E D S T R A N D I N G 1. Scope This standard covers the detailed requirements
Power Meter Series 700
PowerLogic power-monitoring units Power Meter Series 700 Technical data sheet 2007 Functions and characteristics E90463 The PowerLogic Power Meter Series 700 offers all the measurement capabilities required
CONTENTS. http://d-nb.info/1021583650
CONTENTS PREFACE 11 ACKNOWLEDGMENT 17 1. COMPUTER-AIDED MODELING AND SIMULATION 19 1.1. Introduction 19 1.2. Definitions 19 1.3. Categories of approaches to modeling 19 1.4. Phases of development 20 1.5.
PPS-PPQ-BT-PIAS RESIN INSULATORS FOR OIL INSULATED ELECTRICAL MACHINES
PPS-PPQ-BT-PIAS RESIN INSULATORS FOR OIL INSULATED ELECTRICAL MACHINES BUSHING WITH PLUG CONNECTION WITH OUTER CONE PPS CHARACTERISTICS The PPS bushing can be used as a fixed section for the entry of medium
Pluggable interface relays CR-P Pcb relays
2CDC 293 034 F0004 1 2 4 3 Features 9 different supply s: DC versions: 12 V, 24 V, 48 V, 110 V AC versions: 24 V, 48 V, 110 V, 120 V, 230 V Output contacts: 1 c/o (16 A) or 2 c/o (8 A) Cadmium-free contact
Safety automation solutions
Operating principle, characteristics Preventa safety s types XPS AV,, For and switch monitoring Operating principle Safety s XPS AV, and are used for monitoring circuits conforming to standards EN/ISO
WINDING RESISTANCE TESTING
WINDING RESISTANCE TESTING WINDING RESISTANCE TEST SET, MODEL WRT-100 ADWEL INTERNATIONAL LTD. 60 Ironside Crescent, Unit 9 Scarborough, Ontario, Canada M1X 1G4 Telephone: (416) 321-1988 Fax: (416) 321-1991
LV MCC LOW VOLTAGE SWITCHGEAR MOTOR CONTROL CENTRE PRODUCT GUIDE
LV MCC LOW VOLTAGE SWITCHGEAR MOTOR CONTROL CENTRE PRODUCT GUIDE 380/415/690 Volt AC 50/65/80/100 ka 1. Product Guide Low Voltage Motor Control Centre CONTSTRUCTION Continuous "poured in place" gasket
Power Transformers Small, Medium & Large
Power Transformers Small, Medium & Large O F T H E A L T R G R O U P A N M E M B E R O ALTRON 10 State of the Art Transformer Manufacturing Facility Experience and Design Capability Powertech Transformers
Fundamentals of Modern Electrical Substations Part 1: Mission of Electrical Substations and their Main Components
Fundamentals of Modern Electrical Substations Part 1: Mission of Electrical Substations and their Main Components Course No: E02-010 Credit: 2 PDH Boris Shvartsberg, Ph.D., P.E., P.M.P. Continuing Education
Panel Meters and Controllers Modular Panel Meter Type EDM 35
Panel Meters and Controllers Modular Panel Meter Type EDM 35 Modular digital panel meter, 3 1/2-digit Indicating or controlling current, voltage, resistance, temperature, tacho or frequency. Easy programming
Low Voltage Products. Switches Automatic Transfer Switches
Low Voltage Products Switches Automatic Transfer Switches Growing importance of a secure power supply Standby power is an integral part of many industrial and domestic electrical systems. High energy prices,
APPENDIX A PIN-OUT OF RJ12 / RJ45 CONNECTORS. RJ12 connectors
APPENDIX APPENDIX A PIN-OUT OF RJ12 / RJ45 CONNECTORS RJ12 connectors Pin # 1 Signal Name Not Used 2 +TR Description + Data Line 3 +R Remote OFF Required or Remote OFF control 4 -TR 5 Not Used 6 RTN -
This section applies to the design and installation of transformers.
ELECTRICAL: TRANSFORMERS BASIS OF DESIGN This section applies to the design and installation of transformers. Design Criteria 13.8-kV equipment shall be 15-kV class. Coordinate with short-circuit studies
ELECTRICAL ENGINEERING DESIGN CRITERIA APPENDIX F
ELECTRICAL ENGINEERING DESIGN CRITERIA APPENDIX F TABLE OF CONTENTS Appendix F - Electrical Engineering Design Criteria F.1 Introduction...F-1 F.2 Codes and Standards...F-1 F.3 Switchyard and Transformers...F-1
8. TESTING POWER TRANSFORMERS
8. TESTING POWER TRANSFORMERS High-voltage transformers are some of the most important (and expensive) pieces of equipment required for operating a power system. The purchase, preparation, assembly, operation
S. C. Electric Cooperative s Specification for a Three-Phase, Padmounted URD Transformer (Revised 12/2014)
1.0 GENERAL S. C. Electric Cooperative s Specification for a Three-Phase, Padmounted URD Transformer (Revised 12/2014) 1.1 This specification covers the electrical and mechanical characteristics of Three-Phase,
Good EMC Design Principles: cable routing
Good EMC Design Principles: cable routing Keith Armstrong describes three important techniques for cable routing in metal cabinets, whether the cables are bundles of individual wires, or individual or
Chapter 14: Inductor design
Chapter 14 Inductor Design 14.1 Filter inductor design constraints 14.2 A step-by-step design procedure 14.3 Multiple-winding magnetics design using the K g method 14.4 Examples 14.5 Summary of key points
SECTION 16322 SUBSTATION TRANSFORMERS
SUBSTATION TRANSFORMERS PART 1 GENERAL 1.01 1.02 1.03 1.04 SCOPE The Contractor shall furnish and install the primary and/or secondary substation transformers as specified herein and as shown on the contract
Automated test systems for distribution transformers Part II. Detailed analysis of the test system features EVENTS ABSTRACT KEYWORDS
TESTS EVENTS ABSTRACT Distribution transformers are used worldwide and in very large quantities as a link between regional mediumvoltage networks and local low-volt age distribution systems. To ensure
Service Power Technologies. Retrofitting A future-oriented concept in lifecycle management
Retrofitting A future-oriented concept in lifecycle management Retrofit solutions for gas-insulated switchgear > 50 kv to 170 kv ABB-supplied high-voltage substations generally have a service life of approx.
Multi-tap Transformers
Multi-tap Transformers Three-Phase Multi-tap Transformer for Electrical Submersible Applications Functional Specification Guide Functional Specification for Multi-tap Transformers for Electrical Submersible
T 3000. Substation Maintenance and Commissioning Test Equipment
T 3000 Substation Maintenance and Commissioning Test Equipment Multi function system for testing substation equipment such as: current, voltage and power transformers, all type of protection relays, energy
ANN Based Fault Classifier and Fault Locator for Double Circuit Transmission Line
International Journal of Computer Sciences and Engineering Open Access Research Paper Volume-4, Special Issue-2, April 2016 E-ISSN: 2347-2693 ANN Based Fault Classifier and Fault Locator for Double Circuit
Transformers. Special transformers Reactors products
Transformers Special transformers Reactors products Reactors Custom designed, custom built ABB Oy Transformers has extensive experience and numerous references from different reactor applications, having
GUIDE FOR TESTING POWER TRANSFORMERS
GUIDE FOR TESTING POWER TRANSFORMERS Routine test 11/11/02 Pagina 1 di 10 INDEX Introduction... 3 1 Dielectric tests Separate-source voltage withstand test... 4 2 Induced voltage test... 5 3 Voltage ratio
UniGear ZS1. Medium voltage, arc proof, air insulated switchgear for primary distribution
UniGear ZS1 Medium voltage, arc proof, air insulated switchgear for primary distribution UniGear ZS1: an innovative solution for all installation requirements ABB UniGear is medium voltage metal-clad,
Understanding the Alternator
http://www.autoshop101.com THIS AUTOMOTIVE SERIES ON ALTERNATORS HAS BEEN DEVELOPED BY KEVIN R. SULLIVAN PROFESSOR OF AUTOMOTIVE TECHNOLOGY AT SKYLINE COLLEGE SAN BRUNO, CALIFORNIA ALL RIGHTS RESERVED
225-230T-05-S2. Rotary drive without spring return. Technical data sheet. Description. Technical data. Actuators
Actuators Technical data sheet 225-230T-05-S2 Rotary drive without spring return Description Actuator for adjusting air dampers of 90 angle of rotation to be used in HVAC installations. Torque Motor 5
Intelligent maintenance decisions with ABB TrafoAssetManagement TM proactive services
Intelligent maintenance decisions with ABB TrafoAssetManagement TM proactive services Paul Ammann, Pierre Lorin, Anders Grano ABB Power Products - Transformer Service ABSTRACT Transformers are indispensable
The Facts About Harmonics and Power Factor. Power Quality: Harmonics & Power Factor Correction
The Facts About Harmonics and Power Factor Power Quality: Harmonics & Power Factor Correction 1 Agenda I. Harmonic Basics II. Harmonic Mitigation Methods III. Active Harmonic Filters IV. Applications V.