Shanghai Guantu Technology Co., Ltd.
Shanghai Guantu Electric Technology Co., Ltd. was established in 2004. Since its establishment, the company has focused on the research, development, production and sales of power pulse technology, equipment and power supplies. Its goal is to provide professional solutions for high-voltage and high-current test power supplies.
- (+86) 021 34695500
- +86-21-34690035
- hvsales@grandtop.cn
- Building 1, No. 1111, Jindu Road, Minhang District
Shanghai Floor 1-2, Building 7, No. 333, Haiyang 1st Road
Nanhui New Town, Pudong New Area, Shanghai
China
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Product
AC & DC Aging Test Equipment for Arrester Valve Plate
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Shanghai Guantu Technology Co., Ltd.
The arrester is usually connected between the live wire and the ground, and is connected in parallel with the protected equipment. When the overvoltage value reaches the specified operating voltage, the arrester will act immediately, flow the charge, limit the overvoltage amplitude, and protect the insulation of the equipment; when the voltage value is normal, the arrester will quickly return to its original state to ensure the normal power supply of the system.
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Product
AC Test Transformer
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Shanghai Guantu Technology Co., Ltd.
How the AC test transformer prevents the overvoltage generated by the frequency conversion series resonance test device is a relatively simple problem, but the overvoltage caused by voltage fluctuation is difficult to appear when the overvoltage protection is set. Generally, the overvoltage of the frequency conversion series resonance test device will appear in the frequency sweep stage of the instrument, that is, in the process of finding the resonance point. Those who have used it know that in the process of finding the resonance point of the frequency conversion series resonance test device, the voltage and frequency have a parabola-like linear relationship. By default, the system finds the high voltage, that is, the apex of the parabola as the resonance point.
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Product
AC Resonance Test System
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Shanghai Guantu Technology Co., Ltd.
AC withstand voltage test is an effective and direct method to identify the insulation strength of electrical equipment. During the operation of power equipment, the insulation will gradually deteriorate under the action of electric field, temperature and mechanical vibration for a long time, including overall deterioration and partial deterioration, forming problems. question.
