UHV Variable Frequency Resonant Test System

PD free variable frequency resonance test system; built - in Corona ring ; cordwood HV booster; Max test Vol.can be upto 800KV

FKTF  Series Extra-high Voltage and Hyper-high Voltage Variable Frequency Series Resonant Test Equipment

1. Range of application:Applicable to the AC voltage withstand test of 1000KV, 750KV, 500KV substation (including inductance voltage withstand and PD)Applicable to the AC voltage withstand test of 750KV, 500kV, 220kV, 110kV cross-linking rubber and plastic cableApplicable to the onsite or delivery inductance withstand test of extra-high voltage and hyper-high voltage transformerApplicable to withstand test of power equipment with high-capacity in delivery inspection, such as extra-high voltage and hyper-high voltage GIS and transformerApplicable to voltage withstand test at the extra-high voltage and hyper-high voltage test site of power science academyApplicable to voltage withstand experiment of submitted test-object in supervision and inspection test site of power equipment2. Successful cases on AC voltage withstand test of large-size power equipment by this system The demonstration project of first domestic 1000KV “southeast of Jiangxi-Nanyang-Jingmen” extra-high voltage AC test ---- 1100KVGIS withstand test at substation in southeast of JiangxiVoltage withstand test in 750kV Qian-County substation, ShanxiVoltage withstand test of major power equipment on HV transmission line at Bing Hai 500kV substation, Tianjin 3. Main configuration of the system:Variable frequency power supply of large-size capacity     1 setExcitation transformer of large-size capacity     1 setCompensative reactor     several pieces (quantity as per requirement)HV series reactor     several pieces (quantity as per voltage grade of power equipment)HV capacitive voltage divider     2 setsPartial discharge tester     1 set (can choose to be configured when doing PD test, if needed) 4.Parameters need to provide for the selection and design of specificationTest object and max test voltageAs for cable test, information required are cable length per piece, sectional area per piece, test time and max test voltageAs for transformer, information required are capacity and voltage grade of transformer, no-load loss, grounding capacity of windingSimilar and related parameters to other power equipments

5. Test  Connection concept diagram

UHV Variable Frequency Resonant Test System