SPV Semi-Pantograph Disconnector up to 1,000 kV

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SPV

Semi-Pantograph Disconnector up to 1,000 kV

The SPV is a space saving vertical reach disconnector connecting the lower busbar to the upper one via the semi-pantograph arm. Horizontal rather than vertical separation means a space reduction of as much as 30%.

Customer Benefits

Reduced substation space requirements (up to 30%)
Clear conducting routing for safety
Rigid or flex busbars for flexibility
Built-in or retro-fitted earthing switches
Virtually maintenance free
Easy start-up and commissioning

Main Characteristics

Specifications

Drawings

Blades are extra heavy, one piece, tubular aluminium with replaceable silver plated copper contacts at each end
Galvanized structural steel channel base supports the insulators and live parts, providing high strength and rigid design
All bearings and counter-balancing springs are isolated from the main path
Clear busbar arrangement and routing results in increased safety during operation and maintenance
In open position, blade sections fold upon themselves, offering maximum dimension slightly greater than half the open gap dimension.
More compact than a standard pantograph switch and streamlined contours reduce RIV and corona effects
Flexible installation and arrangement configurations
Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials

Specifications

Technical Data (IEC)

Rated Voltage	Rated Current A/ Short time current kA Up to	BIL kV	A mm	B mm	C mm	D mm	E mm	F mm	G mm	i mm	Ø mm
72.5 kV	4000/63	325	980	1700	600	425	500	340	765	170	22
340	4000/63	450	1230	1900	700	425	500	340	765	170	22
123 kV	4000/63	550	1480	2200	980	425	500	340	765	170	22
142 kV	4000/63	650	1710	3000	1300	425	500	340	765	170	22
170 kV	4000/63	750	1910	3000	1300	425	500	340	765	170	22
245R kV	4000/63	950	2310	3800	1700	425	500	340	765	170	22
245 kV	4000/63	1050	2510	3800	1700	425	500	340	765	170	22
300 kV	4000/63	1050	2860	4200	1900	425	500	340	765	170	26
362 kV	4000/63	1175	3190	4800	2200	600	800	400	1000	200	26
420 kV	4000/63	1425	3640	5300	2600	600	800	400	1000	200	26
550 kV	4000/63	1550	4290	6700	3500	600	1000	400	1000	200	26
800 kV	4000/63	2100	5490	8000	4000	600	1100	500	1000	200	34

Drawings