Heavy-duty AC High Voltage Test Set ensures the safety and reliability of cables, generators, transformers, and other high-power equipment. These testers comply with National and International standards and undergo strict quality checks throughout production.
Choose from air-cooled, oil-cooled, or combination cooling systems to match your needs. With voltage ratings up to 800kV and power ratings up to 3000kVA, these testers can perform various tests including dry withstand, wet withstand, breakdown voltage, and insulation integrity checks.
Standard Accessories
Optional Accessories
Parameters | Description | |
1 | I/p Voltage | 380/400V, 50/60HZ AC supply |
2 | O/p Voltage | Up to 800 KV and 4A |
Integration of reactor after 100KVA, Integration of series and parallel reactor after 1500KVA | ||
3 | Capacity | Up to 3000 KVA |
4 | Timer | 0-9999 Sec./min. Digital |
5 | Control | Type 1 – Manual or motorized voltage adjustment with push-button HT activation. Type 2 – Digital panel with optional computer connectivity. Type 3 – Fully automated: PLC-based system with integrated computer, HMI, and printing capabilities. |
6 | Metering | Voltmeter: One Digital type connected on the HT side to indicate the output voltage Scale: 0-800 kV AC. Ammeter: One Digital type ammeter connected on the earth side to indicate the leakage current on the 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 cuts power when the current surpasses the set limit. Overload – This is used as a secondary protection in case the input loads exceed 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 the HV transformer. Provision for cage door interlocking shall also be provided. Earth interlock- It ensures that HV will not actuate until good earthing is provided. |
9 | Termination | The HT output on a suitable HT insulator and another point at earth potential will be brought out on a 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 | Our Parallel/Series Reactor (LT and HT) harmonizes with capacitive currents during dielectric testing. Featuring a motorized moving coil and fixed reactor, it achieves a Q-factor of up to 20, ensuring precise resonance for various components and systems. |
12 | HV Transformer | We craft our transformers to IS/IEC standards, offering single and multi-stage step-up options for versatile voltage requirements. Built with premium materials sourced globally, our units boast vacuum-impregnated coils insulated with top-tier EHV grade oil, meeting or exceeding industry benchmarks. |
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