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— 1 Z S C0 0 0 5 6 3 - A AC E N , R E V. 9 Transformer bushings type GSB Technical guide...
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The information provided in this document is intended to be general and does not cover all possible applications. Any specific application not covered should be referred directly to ABB, or its authorized representative. We reserve the right to make technical changes or modify the contents of this document without prior notice.
— Table of contents Design Standards Features and benefits Transportation and long term storage Testing Test tap Test tap adapter Electrical data Dimensions Connection details Outer terminal Separate terminal plate with bolts Outer shield Inner terminal Draw rod system Fixed bottom contact Standard end-shield Conductor insulation Conductor loading and mechanical loading...
T R A N S F O R M E R B U S H I N G S T Y P E G S B T E C H N I C A L G U I D E —...
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Dimensions according to IEEE Potential tap type A. U = 6 kV Capacitance C of test tap: < 5000 pF Conductor: Center tube or flexible draw lead conductor. Markings: Conforming to IEC/IEEE. Cenelec Technical specification Yes, for GSB 245 and GSB 420 50458...
±10 % (pF), with space for current transformer CT = 300/600 mm 663/769 619/701 579/652 553/612 553/612 — Table 3. Draw lead current. GSB 550-1675 GSB 245 GSB 362 GSB 420 and 550-1800 Draw lead current IEEE IEEE IEEE IEEE 1x50 mm...
T R A N S F O R M E R B U S H I N G S T Y P E G S B T E C H N I C A L G U I D E —...
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901245-BBA Porcelain, grey Voltage tap 6 kV 901245-AAB Porcelain, brown 901245-BAB Porcelain, grey Test tap 1220 901245-ABB Porcelain, brown 901245-BBB Porcelain, grey Voltage tap 6 kV 901245-CAA / -CCA Composite Test tap -CBA / -CDA Composite Voltage tap 6 kV...
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T R A N S F O R M E R B U S H I N G S T Y P E G S B T E C H N I C A L G U I D E Space for current Creepage distance (mm) Rated current (A)
Outer shield This shield is standard for GSB 420 (Cat. No. 2748 682-DN) and 550 (Cat. No. 2748 682-DY). GSB 245 and 362 fulfil all requirements of the IEC and IEEE tests without outer shield. However, if extra shielding of the connected power lines is required, outer shield (Cat.
T R A N S F O R M E R B U S H I N G S T Y P E G S B T E C H N I C A L G U I D E Inner terminal The inner terminal for connection of the draw lead is made of copper.
T R A N S F O R M E R B U S H I N G S T Y P E G S B T E C H N I C A L G U I D E Draw rod system If required to meet the transport conditions, an additional The draw rod system offers the following advantages...
• Catalogue number for outer terminal. • Additional accessories or modifications. • Test required, in addition to the normal routine tests. Ordering example 1: Bushing: GSB 245/2000/0,6 Composite, test tap 1ZSC901245-CAB Connection: Draw rod, lower, additional joint H1 = 300 mm 1ZSC999006...