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Mobile platform for testing HV Instrument transformers (voltage and current)

Measurement test Scope:

VT: Primary voltage: 6, 6 /√3, 10, 10/√3, 13.8/√3, 15.75/√3, 20/√3, 35/√3, 110/√3, 220/√3, 500/√3 kV.           Secondary voltage: 100 /√3 and 100 V 

CT: Primary current from 1 A to 3000 A. 

    Secondary current 1 A and 5 A.

Product Description

Following testing accessories are included in (MPT): 

A) Standard voltage transformers or measuring converter of 0,05 class 

VТ: Primary voltage: 6, 6/√3, 10, 10/√3, 13.8/√3, 15.75/√3, 20/√3, 35/√3, 110/√3, 220/√3, 500/√3 kV     

    Secondary voltage: 100/√3 and 100 V 

CT: Standard current transformers of 0,02 class 

    Primary currents: from 1 A to 3000 A (5, 10, 20, 30, 40, 50, 60, 75, 80,100, 150, 200, 250, 300, 400, 500, 600, 

                      750, 800, 1000, 1200, 1250, 1400, 1500, 1600, 2000, 2400, 2500, 3000 A). 

    Secondary currents: 1A and 5 A. 


B) Burdens for regulation of load in secondary circuits of standard transformers: 

    VT: 100/√3 V 0 - 80 VА. 100/√3 V 50 - 200 VА. 100 V 0 - 80 VА 

    CT: 1 A 1 - 50 Ohms (1-50 VA) 5 A 0,05 - 2 Ohm. (1.25-100 VA) 


C) Comparator (precision class 0,02) for verification of tested of CTs and VTs. 

    Within range shown in sub-clause (A). 


D) Adjustable sources of supply: 

    Testing equipment should be small sized mobile with a power consumption about 3 kV, 50 Hz.- Voltage 0 - 70 kV -     Current from 0 - 3000 A. 

E) Cables for connection of standard transformers: - 

    VT: HV cable 15 m. - CT: (1 set 200-300 A, 1 set 300 - 3000 A), 15 meach. 


F) Generator (reserve power) with a drive for the engine or the separate gasoline motor-generator with capacity up to 5 kW, 3x415/230V.



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