Resonance Test System

A: Usually we quote within 24 hours after we get your inquiry.

A: Our minimum order quantity is 1 set, and the sample shipping fee needs to be provided by you.

A: Most Of our tester has stock.You can contact us to make sure

A: Our products undergo factory testing and are accompanied by reports.

A: Yes we could offer different discount according to your order quantity. We also hold regular promotional activities every year.

A: We have more than 10 years of export experience. Please contact us to confirm if there is a local partner.

A: Usually we take door to door express delivery ,cause it's more convenient and fast.

A: An resonance test system is a high-voltage testing device designed to apply high-voltage alternating current (AC) to electrical components (such as transformers, cables, or switchgear) to assess the integrity of their insulation. It uses the principle of resonance between inductance (L) and capacitance (C) to generate high voltage efficiently.

A: The resonance test system involves connecting the test object to an AC power source, usually a variable frequency power supply, and discharging the energy stored in the object's electric field. The test circuit is designed in such a way that the object under test resonates with the supply. The system can generate a wide range of voltage and frequency levels, and the voltage waveform can be either sinusoidal or non-sinusoidal.

A: High voltage equipment is designed to operate under extreme conditions, which makes testing crucial to guarantee the safe and reliable functioning of the equipment. An resonance test system is one of the most effective methods for testing insulation systems in high voltage equipment. It can detect weak points in the insulation system, such as voids, cracks, and delamination, that may lead to insulation failure in the future.

A: AC resonance test system is one of several high voltage testing methods available. Other methods include DC testing, impulse testing, and partial discharge testing. Compared to other methods, AC Resonance Test System is more suitable for testing large equipment that cannot be dismantled or transported. It can also detect weak spots that other methods may miss. However, it is more complicated to set up and requires more space than other methods.

A: Resonance is achieved by adjusting the frequency of the AC power source until the inductance and capacitance of the system create a resonant condition. When resonance is reached, the system efficiently amplifies the voltage, producing a high voltage for testing without excessive power consumption.

A: No, AC resonance test systems are designed specifically for AC voltage testing. For DC testing, a different type of test system is used, such as a DC hipot (high potential) tester, because DC voltage requires different testing methods to evaluate insulation performance.

A: Resonance test systems should be calibrated at regular intervals, typically every 6 to 12 months, or as per the manufacturer's recommendation or industry standards. Calibration ensures that the system provides accurate voltage and frequency measurements and operates safely.

A: Frequency drift: If the system's resonant frequency drifts, it can affect the voltage output and result in inaccurate test results.
Leakage current: Excessive leakage current indicates that the insulation may be compromised.
Insufficient voltage: In some cases, the test voltage might not reach the required level due to equipment limitations or improper calibration.