J30X | GIS inflatable cabinet (72.5kV) · P-290

J30X | GIS inflatable cabinet (72.5kV) · Product code P-290

Product category:: Ring main unit
Product code:: P-290
Model:: GIS

Function & Use

The 72.5kV box-type switchgear is an integrated, modular high-voltage power distribution equipment with compact structure, low inflation pressure and maintenance-free characteristics. Compared with traditional air insulated cabinets, inflatable cabinets significantly reduce size and improve reliability, and are especially suitable for harsh offshore environments.

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Product highlights

Low maintenance requirements
Modular design
Applicable to wind power scenarios
Voltage level is clear
Engineering application adaptation

Model

GIS

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Main Product Parameters

Category nameGas insulated metal enclosed switchgearClassificationJ10X | RMU inflatable ring main unit J20X | C-GIS inflatable cabinet J30X | GIS inflatable cabinet (72.5kV)

Technical parametersRated voltage: 72.5kV; rated frequency: 50Hz; power frequency withstand voltage (phase to phase, ground/fracture): 140/182kV; lightning impulse withstand voltage (phase to phase, ground/fracture): 325/385kV; rated current: 1250A; rated short-time withstand (current/time ): 31.5/3kA/s; Insulation medium: SF6/dry air; Annual average leakage rate: ≤0.01%; IAC level: AFLR/1s; SF6 air box protection level: IP67; Front panel protection level: IP3X; Rated inflation pressure (20°C): 0.03MPaBrandJST

Product details

Functional use: 72.5kV box-type switchgear is an integrated, modular high-voltage power distribution equipment with compact structure, low inflation pressure and maintenance-free characteristics. Compared with traditional air insulated cabinets, inflatable cabinets significantly reduce size and improve reliability. They are especially suitable for harsh offshore environments and are one of the key equipments in offshore wind power high-voltage systems. Detailed description: Technical parameters: Rated voltage: 72.5kV Rated frequency: 50Hz Power frequency withstand voltage (phase to phase, ground/fracture): 140/182kV Lightning impulse withstand voltage (phase to phase, ground/fracture): 325/385kV Rated current: 1250A Rated short-time withstand (current/time): 31.5/3kA/s Insulating medium: SF6/dry air Annual average leakage rate: ≤0.01% IAC level: AFLR/1s SF6 air box protection level: IP67 Front panel protection level: IP3X Rated inflation pressure (20℃): 0.03MPa

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