Primary current injection testing is utilized in high current/high voltage scenarios found at large electrical installations such as substations. A large current (between 100A and 20,000A depending on system specifications and test requirements) is injected directly on the primary side of the electrical system such as a circuit breaker.
The objective of the primary injection test is to identify how the system operates under various levels of current load. Current injection technique makes it possible to use devices with low forward voltage drop for high frequency applications.
Udey PCT series comprises of two units – a control unit and a loading unit, making the tester compact and portable. Four models are available with outputs from 250 Amp to 3000 Amp. The control unit offers a current output of 0-10 Volt at 50 Amp or 0-5 Volt at 100 Amp. Additionally, a separate voltage output of 0-250 V. AC is available for testing voltage operated relays coils or checking the magnetization characteristics of current transformers.
Udeyraj Electricals Private Limited is one of the leading companies in the country for research, design and manufacture of Utility Power Test & Measure equipments and is one of the foremost patrons of high quality primary injection test kits in the country. The primary injection kit offered by the company has completely centralized controls and metering.