Static Synchronous Compensator (STATCOM)
Static Synchronous Compensator (STATCOM) is the most advanced dynamic reactive power compensation equipment. The STATCOM can be regarded as a voltage source converter, which can instantly and automatically compensate the reactive power through injecting the controllable reactive current (capacitive or inductive) to improve the power factors, reduce power loss and achieve voltage stability.
Static Synchronous Compensator (STATCOM) is the most advanced dynamic reactive power compensation equipment. The STATCOM can be regarded as a voltage source converter, which can instantly and automatically compensate the reactive power through injecting the controllable reactive current (capacitive or inductive) to improve the power factors, reduce power loss and achieve voltage stability.
IEEE
IEC
Energy Storage
Power
Proposition/Advantages
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01
Outstanding GIS Layout
The GIS phase spacing is 670mm and the standard spacing width is 2050mm (see layout). The whole interval of three-phase integrated transportation, its technological innovation level is domestic leading, international advanced level.
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02
Convenient Maintenance
Arrangement of circuit breaker is horizontal, it’s convenient for overhauling and emergency maintenance; it also will make lighter impact to the ground.
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03
Low Insulation Discharge Level
Excellent insulation level and low partial discharge. The only company in the industry that can achieve: under 1.2 times phase voltage (1.2×420/√3 = 291kV), the partial discharge of intervals is lower than 5pC, the partial discharge of the insulator is lower than 3pC.
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04
Flange Double Ring Sealing
Flange surface adopts double sealing ring structure, inner ring sealing gas, and its gas leakage rate is lower than IEC standard. Its outer ring prevents water and impurities from getting inside thus to improve safety and reliability.
Technical Specifications
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Rated voltage
420 kV
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Rated frequency
50 Hz/60 Hz
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Rated current
4000 A
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1 min rated power frequency withstand voltage
between open contacts: (650+165) kV between phases，to earth: 650 kV
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Rated lightning impulse-resisting voltage peak (1.2/ 50μs)
between open contacts Isolated fracture interval: (1425+240) kV between phases，to earth: 1425 kV
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Rated short-circuit breaking current
63 kA
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Rated short-circuit making current
171 kA
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Rated short-time withstand current and duration
63 kA / 3s
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Rated peak withstand current
171 kA
Technical Specifications
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