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— 1 Z S C 0 0 0 5 6 3 - A B B E N , R E V. 2 Resin impregnated paper bushing, oil-to-air, type GSB 800 Installation and maintenance 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.
1.4 Spare parts 1.5 Installation information 2. Installation 2.1 Transport boxes 2.2 General tools 2.3 GSB 800 tools (to be ordered from the supplier) 2.4 Consumables 2.5 Transport, storage and handling 2.6 Opening of crate 2.7 Lifting from the crate 2.8 Removal of protective hood...
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The following warnings and notes are used in the manual: Safety information Keep this instruction available for those responsible for the installation, maintenance and operation of the bushing. WARNING Installation, operation and maintenance of a bushing WARNING indicates an imminently hazardous situation, which if not avoided, will result in death or present numerous potentially unsafe conditions, including serious injury.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 1.2 Operating conditions 1.3 Mechanical loading The table below shows the general specifications for the...
16 mm (M10) and 13 mm (M8). • Tackle for mounting the bushing at a specific angle. • Soft bedding. 2.3 GSB 800 tools (to be ordered from the supplier) • Lifting adapter, 1ZSC004867-AAB; see Fig. 2. • Lifting gear, 1ZSC004867-AAA; see Fig. 3.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.5 Transport, storage and handling Metallic sealing tube The bushing may be transported and stored at any angle.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.6 Opening of crate Follow these steps to open the bushing crate and unpack the bushing.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.7 Lifting from the crate When lifting the bushing from the crate with a lifting Soft slings...
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.8 Removal of protective hood 1.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.10 Draw-rod system The draw-rod system can be divided level with the mounting flange.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.10.1 Installation of standard end-shield Alternative 1: Mounting the standard end-shield on the bottom contact adapter.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.10.2 Docking of bushing to transformer until it is visible on the oil-side and connect it to the top 1.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E CAUTION After tightening of Bushing lifted over the...
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E Tightening nut 11.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 1.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.10.3 Lifting of bushing for mounting on transformer Alternative 2: Raising the bushing to a specific angle.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.11 Flange grounding The bushing flange is provided with a tapped M12 hole, see Fig.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.12 Mounting of outer terminal 5.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.12.1 Unpacking and mounting the corona shield The corona shield is delivered in a separate box.
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.13 Oil-filling of voltage tap housing Sealing plug The GSB 800 bushing is equipped with a voltage tap, providing a voltage source while the bushing is in operation. Voltage...
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.14 Waiting time before energizing 2.15 Recommended tests before energizing The following tests should be performed to check the...
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.15.3 Measurement of capacitance and tan d 2.15.4 Check of resistance The resistance measurement method depends on the...
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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E 2.16 Repacking of bushing after transformer FAT-tests After the transformer FAT-tests, the bushing shall be repacked in its crate.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E Mount the outer terminal in accordance with section 2.12.
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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 8 0 0 I N S TA L L AT I O N A N D M A I N T E N A N C E G U I D E Repack the corona ring in its own crate;...