UniGear ZS1. Medium voltage, arc proof, air insulated switchgear for primary distribution

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1 UniGear ZS1 Medium voltage, arc proof, air insulated switchgear for primary distribution

2 UniGear ZS1: an innovative solution for all installation requirements ABB UniGear is medium voltage metal-clad, arc proof, air insulated switchgear. It is the result of ABB global know-how integrated in a single technological solution and is ABB s answer to the range of solutions requested on the global market. Apparatus which can be installed in UniGear switchgear UniGear is Made in ABB in the 5 continents with the same design and quality standards and offers the best solutions for compact MCC, double level, duplex and special unit switchgear. It is primary distribution switchgear for all applications. Thanks to the REF542plus multifunction units, it offers the most intelligent solutions for satisfying all installation requirements. The pre-assembled module construction system allows each unit to be produced efficiently, rapidly and with high quality. Modern calculation instruments make configuration and customisation of the switchgear simple and rapid. UniGear switchgear is safe because it is built as arc proof and is free of any operating errors thanks to being fitted with safety interlocks. UniGear switchgear is tested in accordance with the IEC Standards. Further tests are carried out according to the prescriptions of Shipping Registers and to particular installation requirements. Vacuum circuit-breaker Circuit-breaker for all fields of application Vacuum interrupters with interruption system with axial magnetic flow with even distribution of the arc over the whole surface of the contacts to obtain the best performances at all the current values Epoxy resin poles for greater protection of the interrupters Vacuum circuit-breakers and contactors, gas insulated circuit-breakers and switchdisconnectors can be installed in UniGear switchgear. The earthing switch, with full making capacity, is operated from the front and is provided with safe and reliable position indicators. UniGear switchgear is certified Industrial IT, and is therefore ready for integration in the powerful open software architecture, based on Aspect Object technology. Conformity with the Industrial IT standard means easy intelligent Unigear Plug & Produce integration in all software systems, with access to the right information in real time. UniGear has limited dimensions, especially in the double level version. All compartments are accessible from the front. Gas circuit-breaker Circuit-breaker for all fields of application Suitable for plant retrofitting and revamping Autopuffer breaking system to obtain the best performances at all the current values Insulation withstand and breaking capacity voltage up to 30% of the rated value with zero relative pressure 2

3 Vacuum circuit-breaker with magnetic drive The magnetic actuator integrates the switching, closing and opening functions All the functions (trip, switching, power loading and reliability check) are operated from the integrated electronic controller Equipped with multivoltage feeder in direct and alternating current Note: circuit-breakers type evm1 are also available with magnetic actuator and protections and measurements on board Switch-disconnector Fitted with automatic trip mechanism for fuse intervention Use of fuses according to DIN Standards for transformer protection Control from the front of the switchgear with manual operation Contactor for UniGear type ZVC switchgear up to 7.2 kv. Contactor for UniGear type ZS1 switchgear up to 12 kv. Vacuum contactors Optimal solution for motor start-ups, changeover of power correction banks and transformer users Fitted with medium voltage fuses according to DIN and BS Standards (*) Availability of operating mechanisms with electric or mechanical latching functions Equipped with multivoltage feeder in direct and alternating current (*) The contactor for UniGear type ZVC switchgear can only mount one or two fuses per phase of the type according to BS Standards. 3

4 UniGear ZS1: an innovative solution for all installation requirements Fixed circuit-breaker with simple busbar system. Very compact solution 500 mm wide. It is equipped with fixed vacuum circuit-breaker removable in one hour. UniGear switchgear with simple busbar system coupled to UniGear type ZVC contactor units. Each type ZVC unit is equipped with a withdrawable vacuum contactor with fuses. 4

5 Double level UniGear switchgear. Each panel consists of two independent stacked units which can be equipped with circuitbreaker or contactor. UniGear switchgear with simple busbar system. Each panel consists of a single unit which can be equipped with circuitbreaker, contactors or switch-disconnector. UniGear switchgear with double busbar system. The double busbar system switchgear is based on two different schemes. 5

6 UniGear ZS1: switchgear with simple busbar system Each panel consists of a single unit which can be equipped with circuit-breaker, contactors or switchdisconnector, as well as with all the accessories available for the conventional units of the switchgear. Studied to offer Flexible applications Complete range of units and apparatus Service continuity Each panel is provided with a cubicle to take the Personnel safety auxiliary instrumentation, placed in the upper part. Simple maintenance The units can be coupled together directly with ZVC units and with double-level units, with the possibility of extension on both ends of the switchgear. Effective use of space Built-up modular solutions Full access from the front The switchgear does not require access from the rear for the installation and maintenance procedures. All the service operations are carried out from the front. Electrical characteristics Typical unit cross-section Rated voltage kv Rated insulation voltage kv Rated power frequency withstand voltage kv 1min Rated lightning impulse withstand voltage kv Rated frequency Hz Rated short time withstand current ka 3s Peak current ka Internal arc withstand current ka 1s Main busbar rated current A Branch connection rated current A Height Height with gas exhaust duct Branch connection rated current A with forced ventilation Unit width mm Unit height mm Width Depth A Apparatus D Instruments B Main busbar E Gas exhaust duct C Feeder Unit height with gas duct mm Unit depth (1) mm 1340/ / / (1) 1390 mm from 3150 to 4000 A Single-line diagram of the main typical units feeder BT Bus-tie R Bus-riser Standard components Accessories Alternative solutions RM Bus-riser with measurements M Measurements D Direct incoming/ Outgoing feeder DM Direct incoming/ Outgoing feeder with measurements 6

7 UniGear ZS1: switchgear with fixed circuit-breaker The new version of the UniGear ZS1 family product is the fixed pattern with Vmax circuit-breaker. It is a very safe and reliable panel with mechanical interlocks between the circuit-breaker, line disconnector and cable testing device. This type of switchgear have the access to all the components directly from the front; all the maintenance and service operation does not require rear access. Studied to offer Very compact solution studied for solving space problems with reduction in the width of the switchgear Directly connectable to any UniGear ZS1 Three position line disconnector manually and motor operated Wall mounted application Lower maintenance Full access from the front Electrical characteristics Typical unit cross-section Rated voltage kv Rated insulation voltage kv Rated power frequency withstand voltage kv 1min Rated power frequency over the isolation distance kv 1min Rated lightning impulse withstand voltage kv Rated lightning impulse withstand voltage over the isolation distance kv Rated frequency Hz Rated short-time withstand current ka 3s Peak current ka Internal arc withstand currentt ka 1s Branch connection rated current A Height Height with gas exhaust duct Main busbar rated current A Width A Apparatus B Main busbar C Instruments D Gas exhaust duct Depth Single-line diagram of the main typical units feeder M Measurements BT Bus-tie R Bus-riser Standard components Accessories Alternative solutions 7

8 Double level UniGear ZS1 switchgear Each panel consists of two independent stacked units which can be equipped with circuit-breaker or contactor. A compartment for the auxiliary instrumentation of both the units is provided in the middle part. An additional cubicle is available in the top part of the panel to house other instruments. The double level units can be coupled directly with single level units, on both ends of the switchgear. The switchgear requires access from the rear for the installation and maintenance procedures. The service operations are carried out from the front. Duplex version available. Studied to offer Numerous alternative combinations of typical units, to adapt the switchgear suitably to the plant characteristics Efficient use of space for switchgear with numerous users Great reduction in the width of the switchgear ( % in typical configurations) The same service and maintenance procedures as the single level switchgear Electrical characteristics Typical unit cross-section Rated voltage kv Rated insulation voltage kv Rated power frequency withstand voltage kv 1min d B2 E d Rated lightning impulse withstand voltage kv Rated frequency Hz Rated short time withstand current ka 3s A2 C2 A2 Peak current ka Internal arc withstand current ka 1s Height ka 0.5s D e B1 D Main busbar rated current A Branch connection rated current A A1 C1 A Unit width mm Width Depth Unit height mm Unit height with gas duct mm Unit depth mm A Apparatus B Main busbar C Feeder D - d Instruments E Gas exhaust duct Single-line diagram of the main typical units BT Bus-tie R Bus-riser RM Bus-riser with meas. J Connection JM Connection with meas. 1 st Level st Level 2 nd Level Standard components Accessories Alternative solutions 8

9 UniGear ZS1: switchgear with double busbar system The double busbar system switchgear is based on two different schemes: two busbar systems, two line-side isolators and a circuit-breaker (up to 2500 A) two busbar systems, two circuit-breaker units with one or two circuit-breakers. The schemes offer redundancy of the busbar system with physical isolation between the systems. The use of this switchgear may be necessary in the case of: switching incoming units with unsynchronised circuitbreakers disconnection of loads with different levels of importance under emergency conditions isolation of particular outgoing units from the normal network balance of the outgoing units under normal service conditions flexibility during the inspection and maintenance procedures without interruption of the load possibility of extension without turning the switchgear off. The switchgear requires access from the rear for the installation and maintenance procedures. The service operations are carried out from the front. Studied to offer Line with double isolation up to 2500 A 3150 A and 4000 A duplex line Segregated busbar and isolation compartments Earthing switch with making capacity Operations can be carried out from the front Reliable and uninterrupted service conditions Electrical characteristics Typical unit cross-section Rated voltage kv Rated insulation voltage kv Rated power frequency withstand voltage kv 1min Rated lightning impulse withstand voltage kv Rated frequency Hz Rated short time withstand current ka 3s...31,5...31, Peak current ka Internal arc withstand current ka 1s Main busbar rated current A Branch connection rated current A Height with gas exhaust duct Height Branch connection rated current A with forced ventilation Unit width mm Unit height mm Width Depth Unit height with gas duct mm Unit depth (1) mm 2070/ / A Apparatus B1 Busbar 1 C D Feeder Instruments (1) 2120 mm from 3150 to 4000 A B2 Busbar 2 E Gas exhaust duct Single-line diagram of the main typical units - M Busbar duplex (ex. A) BTT Transverse bus-tie M Measurements BTL Longitudinal Bus-tie RL Longitudinal bus riser Standard components Accessories Alternative solutions 9

10 UniGear ZS1: type ZVC switchgear for motor switching and control Each unit is equipped with a withdrawable vacuum contactor with fuses. The use of medium voltage protection fuses strongly limits the let-through fault energy, making it possible to reduce the cross-section of the connection cables to the motor. This characteristic contributes to safeguarding the insulation levels and increasing the electrical life of the cables and of the machine connected. For users with high consumption levels, it is possible to fit the contactor with two fuses in parallel for each of the phases. The units can be coupled directly with the main switchgear, with the possibility of extension on both ends. Studied to offer Configurable for all types of motor starting Drastic reduction in the width of the switchgear and of the surface area occupied (the typical unit is 325 mm wide), also using more than one contactor for complex motor start-ups The same service and maintenance procedures as the UniGear type ZS1 switchgear Full access from the front Typical motor start-ups: direct, reversal of direction, reactor, autotransformer, star delta Electrical characteristics Typical unit cross-section Rated voltage kv Rated insulation voltage kv Rated power frequency withstand voltage kv 1min Rated lightning impulse withstand voltage kv Rated frequency Hz Rated short time withstand current ka (3s) Peak current ka Internal arc withstand current ka 1s ka 0.5s Main busbar rated current A Branch connection rated current A Unit width mm Unit height mm 2200/ /2595 Unit height with gas duct mm Unit depth mm E D A E B D A Height Height with gas exhaust duct Single-line diagram of the main typical units C C 1 2 Depth Width A Apparatus D Instruments B Main busbar E Gas exhaust duct C Feeder 3 Off 1 Contactor with electrical latching 2 Contactor with mechanical latching 3 Two pole transformer for supply of operating circuits Standard components Accessories Alternative solutions 10

11 11

12 The data and illustrations are not binding. We reserve the right to make changes in the course of technical development of the product. 1VCP Rev. E, en Brochure ABB Power Technologies S.p.A. Unità Operativa Sace Via Friuli, 4 I Dalmine Tel: Fax: Internet://www.abb.com ABB Malaysia Sdn Bhd Lot 608, Jalan SS13/1K, Subang Jaya, Selangor, Malaysia. Phone: , Fax: Internet://www.abb.com.my

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