High Voltage Laboratory

UHV Contamination Test Hall

UHV Contamination Test Hall / AC 1000kV Contamination Test Facilities /
DC 750kV Contamination Test Facilities

Outline of Test Facilities

Main FacilitiesOutline
UHV Contamination Test Hall Dimensions of fog room:30m x 25m x 30m h.
Electromagnetic shielding effect:65dB at 1MHz.
Fog generating equipment:6ton/hr. boiler and spray nozzle in total 150 in 4 different directions.
AC 1000kV Contamination Test Facilities Testing transformer:1000kV, 5000kVA/ 1 min, 4000kVA/ continuous.
Voltage drop of the total system:Less than 5% at 3A, 600 - 1000kV.
Power Source:Short circuit generator (3-phase, 125MVA).
DC 750kV Contamination Test Facilities Type:Cascaded three phase full-wave rectification with feed-back system.
Rated voltage:±750kV.
Rated current:1A(30mA at 800kV).
Voltage drop of the total system:Less than 5% at 2.5A, 200 - 750kV.
Power Source:Short circuit generator (3-phase, 125MVA).

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