Electrical and test engineers try to produce the most accurate results while upholding a safe working environment when using high-voltage test and measurement equipment. They frequently use external probes, including high-voltage dividers, although these devices have limitations and are prone to mistakes. In this whitepaper, a different method for calibrating high-voltage systems is discussed. An improved high voltage meter for direct measurements up to 10 kV and smart probes to extend tests up to 150 kV make up the sophisticated solution. A high pot tester is ensured that the power levels are maintained within safe ranges. By installing a circuit breaker, high-voltage electricity use can be controlled. The document also addresses meter and probe safety issues and general advice for operating high-voltage equipment safely.
Working safety with high voltage instruments
The primary objective is to avoid energy that could pass into the heart or brain while using high-voltage tests and measurement equipment. Anything beyond 30V is hazardous, according to the IEC 61010 standard. Hi-pot testing equipment help to know the erection of safety barrier when calibrating high-voltage instruments like the enclosed workspace. This is a crucial safety measure because capacitive coupling can arc from as close as three to four feet away.
In addition, the actions listed below must be taken
- Create a suitable soil ground for all of your equipment.
- In order to prevent unintended flashovers, ensure there is enough space surrounding all high-voltage spots.
- To prevent accidents, use barriers or signs for any unskilled individuals.
- Before making any physical adjustments, make sure the voltage has been drained to a safe level.
- Make careful to adhere to all manufacturer ratings and suggestions.
WorkStation and Enclosure
A remote start switch is recommended for either foot or hand when the test engineer is setting up a workstation. They could employ two palm switches coupled to an interlock to prevent both hands from coming into contact with powered circuits. They ought to:
- On the floor and perhaps the workbench, use a rubber mat.
- If you are close to an electrical circuit, place one hand in your pocket or behind your back.
- Remove all conductive jewelry.
- Display warning signs
It is also strongly advised that hipot tester operators use a safety enclosure when dealing with high-voltage equipment. The chamber offers security due to its grounded state. Whenever a test engineer uses a section, they should
- Use interlocked test fixtures whenever possible.
- Place the test object within the container.
- Always stay outside the enclosure.
- Regularly check the enclosure’s ground and the high-voltage wiring leading from the tester to the section.
- Use the high-voltage warning light, if available.
Wrapping it up
When employing test and measurement equipment to conduct high-voltage measurements, care must be taken to assure the data’s accuracy and the safety of those surrounding the apparatus. Test operators can increase security and accuracy by using a 4700 High Voltage Meter with SmartProbes instead of a traditional voltage divider. Udeyraj provides workplace safety that ensures that all employees are trained to respond effectively to crises and security situations and keep them safe in everyday scenarios.