AC  High Voltage Tester

AC High Voltage Tester

Product Details:


Product Description

Descriptions :-

AC High Voltage High capacity testers are specially designed for testing cables, Generators, transformers and other high capacitive equipments as per National and International Standards. During manufacturing each unit is tested at multiple stages, thus ensuring consistency and best quality. These instruments are air cooled, oil cooled or air & oil cooled combined as per design. The units have been manufactured up to 800kV and up to 3000kVA.The units have type of tests such as dry withstand, wet withstand, breakdown voltage in air/oil, oil insulation, and pollution Test.

Features :-

  • Light in weight
  • Casted Wheel for easy movement
  • Multiple safety locks for the operator
  • Specially designed for field operation.

Accessories :-


Standard Accessories

  • Interconnecting Control Cable.
  • Discharge Rod.
  • Audio Visual alarm indicator.
  • Corona Shield

Optional Accessories

  • Output HV cable.
  • Interconnecting / input power cable.
  • Earthling lead.Canvas cover.
  • LV Transformer Oil.


Technical Specifications :-

AC High Voltage High Capacity Test Set
Sr. No. Parameters Description
1 I/p Voltage 380/400V, 50/60HZ AC supply
2 O/p Voltage Up to 800KV and 4A
Intgration of reactor after 100KVA,
Integartion of series and parallel reatcor after 1500KVA
3 Capacity Up to 3000KVA
4 Timer 0-9999 Sec./min. Digital
5 Control Type 1- The unit can be manual/motorized control for voltage variation and push button controlled for HT actuation.
Type 2- The unit can be complete with on board digitized panel with or without computer connectivity.
Type 3- The unit can be PLC based complete with computer, HMI memory, printer etc. for operation.
6 Metering Voltmeter : One Digital type connected on HT side to indicate the output voltage
Scale : 0-800 kV AC.
Ammeter : One Digital type ammeter Connected on earth side to indicate the leakage Current on sample under test.
Scale : 0-40A
Applicable only for type -1
For type -2 and type 3 metering is self contained
7 Protection Tripping - A fast acting DC relay will isolate the circuit when the current exceeds pre-set level.
Overload - This is used as a secondary protection in case the input loads exceeds the preset value
Overvoltage - This is used as a secondary protection in case the output voltage exceeds the preset value
8 Interlocking Zero Start Interlock - The unit will have zero start interlocking to avoid the transients on HV transformer and provision for cage door interlocking shall also be provided.
Earth interlock- It ensures that HV will not actutae untill good earthing is not provided.
9 Termination The HT output on suitable HT insulator and other point at earth potential will be brought out on suitable insulator
10 Control Panel The control panel is designed for five unique purposes.
1 -Control
2- Measure
3- Protect (Active and Passive)
4- Tripping
5 -Annunciate
11 Reactor A Parallel / series reactor (LT and HT) when provided in the system resonates with the capacitive current generated during the dielectric testing of any component / equipment / system. It generally consist of motorised moving coil and fixed reactor. It operates up to a Q-factor of 20.
12 HV Transformer
The transformers are designed and manufactured as per IS /IEC guidelines. Single / Multiple stage stepup transformers are utilized for achiving the desired voltage. The units are designed and manufactured using the preeminent material from India and Abroad. The coils are vacuum impregnated and insulated with High Quality EHV Grade transformer oil as per relevant IS and IEC Standard.





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