The test is carried out at a frequency of 0.5 MHz or 1 MHz, or alternatively, at other frequencies between 0.5 MHz and 2 MHz. The primary goal is to ensure that insulators do not generate unacceptable levels of radio noise, which could interfere with communication systems and other electronic equipment in the vicinity of power lines. iec 60437 pdf
Hydrophobic surfaces generally reduce surface corona, but field concentrators near the end-fittings are vulnerable.
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График работы в майские праздники:
1–3 мая (пт–вс) — выходные дни
4–8 мая (пн–пт) — работаем в обычном режиме
9–11 мая (сб–пн) — выходные дни
Обработка заказов — в ближайший рабочий день
: Standard testing occurs at 0.5 MHz (preferred) or 1.0 MHz . Other frequencies between 0.5 MHz and 2.0 MHz can be used by agreement.
If you are looking for specific technical details, the standard generally covers:
The standard defines how voltage must be applied to the test object:
The test is carried out at a frequency of 0.5 MHz or 1 MHz, or alternatively, at other frequencies between 0.5 MHz and 2 MHz. The primary goal is to ensure that insulators do not generate unacceptable levels of radio noise, which could interfere with communication systems and other electronic equipment in the vicinity of power lines.
Hydrophobic surfaces generally reduce surface corona, but field concentrators near the end-fittings are vulnerable.