ENhanced TEChnology. DC Switchgear ETGR 21 & 22 Series Ver. 3.0

Transcription

1 ENhanced TEChnology DC Switchgear ETGR 21 & 22 Series Ver. 3.0

2 DC Switchgear for Railway System Future would be derived by ENTEC s advanced technology and endless study from DC Switchgear in main core of Metro Power System. DC Switchgear is the Major Equipment for Safe Operation in DC Railway System. ETGR 21 & 22 series have been designed for DC Railway Substation, and also designed to be affordable in heavy conditions. ETGR 21 & 22 are optimized in order to be installed in any place with easy handling. And the user s safety is maximized by restrictedly distinguishing all components upon adequate Insulation Voltage level. HSCB (High Speed Circuit Breaker), DC Switchgear main component is approved in their safety and reliability by passing International Independent Laboratory test in IPH (CESI Group Company in Germany) in accordance with IEC Standard. ENTEC ETGR 21& 22 are divided into DC 1800[V] for Urban Subway System and DC 900[V] for Light Railway System. 2

3 Characteristics Current Interruption Outstanding interruption of small current(0~500a) and Mid-low current (500~3,000A). All range of small current, load current, fault current upto rated interrupting capacity are able to be quickly and safely managed without having any blind current range at rated voltage. High quality DC high Speed Circuit Breaker(HSCB) and DC Disconnector application High quality of HSCB and DC Disconnector are evidenced by completing International authorized Laboratory test according to International standards. Digital Protection relay application Fast and precise operation capability by using Digital Protection Relay in case of various power fault. Short circuit or heavy current are managed by mechanical OCR inside of breaker as instantaneous trip. Information storage System event(1,000 events), fault record(100 events, 16 waves, 0.1~6,000ms sampling) can be stored in Digital Protection Relay and System control and management efficiency is increased by having Protocol communication (DNP 3.0, Modbus, IEC and etc.) through SCADA RTU. Cubicle inside Insulation Through insulated barriers inside of cubicle, frame fault by Arc spewed out from CB arc chamber is eliminated and it is even possible to maintenance job for live line work. Convenient Handling of withdrawal type CB truck - Four insulated rubber wheels(front : 2 free wheels, rear : 2 fixed wheels) are used and it is easily engaged with main power Bus. - Manual and Automatic withdrawable truck operations are available between service and test position. Compact design The most advanced technology PMA is built inside of Circuit Breaker and compactsize of Disconnector is combined in order to optimize the cubicle space use and switchgear. Interlocks To prevent any incident from mis-operation, Interlock mechanisms are applied among HSCB, Disconnector and panel. Operation reliability Both of HSCB and Disconnector are adequate for high frequent operational duties. 3

4 Product construction DC HSCB(Incl. truck) Fast fault current clearing in a fault occasion. Several Interlock funtions are applied in Circuit Breaker. Surge Arrester Surge (Lightening Surge, Inductive surge) prenvention. FaultselectiveRelay(50F) Determine faults and operate Circuit Breaker (Digital type). 64HR (Current type) Monitoring between DC live bus and enclosure, Protect earth current. 64P (Voltage type) Monitoring earth voltage potential increasing and protect system. DC Power meter (kwh) Power consumption calculation. DC Disconnector Power line close and open when no load. DC CT Current Sensing. DC PT Primary voltage sensing. Communication Device 4

5 Rating and Operation Ratings Model ETGR 21 ETGR 22 DC 750V DC 900V DC 1,800V DC 1,500V DC 1,800V DC 3,000V Nominal Voltage Rated Voltage Insulation Voltage Rated interrupting over voltage Rated current Rated making and breaking capacity Operation duty di/dt (Current rising rate vs time) Mechanical operation Power frequency withstand voltag (60Hz,1min.) Rated operation and control voltage Over current Release Pick-up Max. Ambient Temp / Avg. Temp. Altitude 1.5 ~ 2 x rated voltage 2,000A / 3,000A / 4,000A 133kAp / 91.2kA 110kAp / 76.8kA O-15sec-CO-15sec-CO-60sec-CO (max fault, max energy, distant fault) 30.7 x 10 6 A/S 24.2 x 10 6 A/S 40,000 times 5.5kV 11kV DC 110V / 220V 5 ~ 15kA 40 / 35 2,000m Size [Width x Depth x Height mm] Rectifier, Feeder (600 x 1,800 x 2,200 / 600 x 1,500 x 2,200) Negative (1,500 x 1,800 x 2,200 / 1,200 x 1,200 x 2,200) Weight [kg] IP protection (IEC 529) Applied standard > IP31 IEC 61992, JEC 7152 etc Option Size [Depth] : 1,900mm(When adding a function of automatic withdrawal, for other sizes, discuss with maker) Operation Electrical operation Trip by protection Relay System (Fault selective Relay, DC Ground Relay, Under voltage Relay, Reverse Current Relay, OCR, Intertripping Signal Relay, Lock-Out Relay) Trip by Direct Fault Current Local Close/Open Remote Close/Open Mechanical Operation Manual Closing Device(DC HSCB) By attaching the removable manual closing device HSCB can be closed when there is no external power supply. Manual Trip Device(DC HSCB) For trip HSCB manual tripping can be operated by manual Handle of front Panel. Circuit Breaker can be drawn out and inserted only on the HSCB Tripped Status in DC Cubicle. 20[kg] is required for Manual Tripping Handle. Manual Close/Open(DC DS) When DC Control Power is missing, it is possible to Close or Open Disconnected Switch(DS) using Manual Handle itself. 5

6 Protection System Configuration 76I 76I 76D I 76D B Other communication available upon user request. 6

7 Standard type and Test Graph Standard type Panel Type Rectifier Feeder Spare Tie post Neg. DS 76I 76D Width [mm] ,500 Other application available upon user request. Test Graph DC HSCB CO Test Oscillogram (Interruption, 110 [ka]) Disconnector Test Oscillogram (Short time current, [ka, peak]) 7

8 DC High Speed Circuit Breaker (DC HSCB) DC HSCB is used to manage DC Power Feeding line and interrupt a fault current. EDB Series is designed with the most advanced technology in order to protect Railway system from abnormal phenomenon of Power feeding system. Under high frequent switching and heavy load condition, EDB Series DC HSCB is the most reliable. EDB Series has rated voltage of DC 900V for light weight railway system (EDB-09) and rated voltage of DC 1800V for Urban railway system. Ratings Model EDB-09 EDB-18 Nominal voltage Rated voltage DC 750V DC 900V DC 1,500V DC 1,800V Rated current Rated interrupting over voltage Operation duty Mechanical Operation 2,000A /3,000A /4,000A 1.5~2.5 Ue O-15sec-CO-15sec-CO-60sec-CO (max fault, max energy, distant fault) 40,000 times Rated making and breaking capacity 133kAp / 91.2kA 110kAp / 76.8kA Rated operation voltage DC 110V / 220V Insulation Phase-Phase AC 11kV/1min voltage Phase-Ground AC 9.2kV/1min Control Circuit AC 2kV/1min Over current trip device(76i) 5~15kA Size[Width x Depth x Height] Applied standard IEC, JEC Characteristics Enhanced small current interruption Own patent of small current interruption technology apply. Through capability of clearing all ranges of current(0 Amp~Rated making and breaking current), eliminates blind spot of system protection. High Durability and Reliability The most reliable and simplest Magnetic Actuator Mechanism application, over 40,000 times of operation and high speed overcurrent tripping are encountered. Quality Assurance International authorized laboratory(iph CESI, KERI) type test was successfully completed with International standard(iec). Sufficient current and thermal capacity Sufficient electric current capacity to keep lower then regulated temperature (85 ) when rated current becomes saturated. High Insulation capacity and increased interruption capability Sufficient insulation capacity(ac 11kV) to protect users from abnormal condition and increased electric current capacity and interruption capacity of Breaker to comply in large capacity of heavy load DC system. Optimized design with simple structure CAD and 3D design contributes more optimized structure design and convenient maintenance. Panel Interface Simple interface structure between Panel and Protection Relay. 8

9 ETCPU200 Overview DC protection relay ETCPU200 includes Fault Selective Relay(50F), Overcurrent Relay(76D), Voltage Relay(45,80), Ground Fault Relay(64P) and Reclosing Relay(82) in order to protect Metro DC system. For remote control and monitoring DNP3.0, IEC60870, MODBUS and etc. protocols are used. 54F LINE FEEDER ETCPU200 Panel HMI(Human Machine Interface) Panel Features ETCPU200 Consist of DC protection relay(etcpu200) and Human Machine Interface(ETCPU200HMI). Monitoring function - Current, Voltage, Delta-I, di/dt etc. 4 Analog input port - Feeder current, Voltage, Rectifier voltage, Compensation current. (Option: 4 user channel) Storage function - Operation and Fault event, Fault waves, Load waves etc. ETCPU200 has PLC function. Communication port: 4, PLC port: DO: 24, DI: 40. Human Machine Interface - Graphic LCD 240 x 128 Dot (English, Chinese and Korean font) HMI uses 485 communication and remote monitoring is available. User Interface PC Software available upon newly Window OS System event(1,000events), Fault event(100events), Fault wave(16waves, 0.1~6,000ms), Load profile (42days / daily: 3years) are downloaded and manageable by user Interface Software. 9

10 DC Disconnector DC Disconnector is used for no load switching in DC feeder system. ET-DS design is compact and optimized in order to apply DC panel and Other applications. In addition, sufficient insulation capacity and electric current capacity increase the product safety. Fast operation time accommodate the user convenience. Ratings Model Nominal voltage Rated voltage Rated current Rated short time current Operation voltage Operation method Mechanical Operation Operation time Insulation voltage Phase-Phase Phase-Ground Control Circuit Size[Width x Depth x Height] Weight Applied standard ET-DS DC 750/1500V DC 900/1800V 2,000A/3,000A/4,000A/5,000A 106.5kAp / 75kA DC 110V / 220V Auto / Manual 100,000 times Below 2sec AC11kV/1min AC9.2kV/1min AC 2kV/1min mm 32kg IEC Characteristics High durability and reliability Regular operation time and good electrical mechanical characteristics by using of high quality materials. Reduction of Closing and Opening time Fast operation by reducing time of opening and closing with adopting relevant Motor Gearbox. High grade Insulation and Sufficient electric current capacity Sufficient current capacity and high grade insulation to protect users from abnormal condition. Compact and light weight Size and weight are compact and more optimized in order to provide more convenience in handling. Various operation method Normally use electrical operation however manual operation of DC Disconnector is accomplished in case of unstable power source or power-off. Various installation arrangement Free Installation directions to accommodate convenience in construction. Interlock provision To prevent mis-operation, interlock function are applied with Manual Lock and Position Lock. Ver Buncheon-ri Bongdam-eup Hwaseong-city Gyungki-do KOREA TEL : FAX : entec@entecene.co.kr