Frequency interference dielectric loss tester

Wuhan Science and Technology Co., Ltd. US boat

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Frequency interference dielectric loss tester

Information Name:	Frequency interference dielectric loss tester
Published:	2015-04-22
Validity:	3650
Specifications:	CVT
Quantity:	100.00
Price Description:
Detailed Product Description：	Dielectric loss tester, are power plants, substations and other field automatic measurement of various high-voltage electrical equipment and dielectric loss tangent of the capacity of the high-precision instruments. As a result of the conversion technology to ensure accurate measurement of interference in the strong electric field. The instrument uses Chinese menu operation, the computer automatically complete the whole process of measurement. The instrument is also used in workshops, laboratories, research institutes and capacitance measurements tgδ high-voltage electrical equipment; to test the insulating oil consumption, more convenient, simple, and accurate. The instrument is available positive and negative wiring methods to measure directly ungrounded or high-voltage electrical equipment, and can measure the tgδ capacitor voltage transformer and the main capacitor C1, C2 capacity. Inside the instrument is equipped with a high-voltage step-up transformer, and take a zero-closing, lightning and other security measures. During the test output 0.5KV ~ 10kV different levels of pressure, simple, safe. This instrument has the following protection functions: high-voltage circuit protection · · CVT overvoltage protection equipment is not properly grounded 2. Works to start measuring high voltage setpoint power inverter, power inverter with PID algorithm to adjust the output retarder set value, the actual high voltage measuring circuit to the power inverter, trimming low pressure, high pressure to achieve accurate output. According to forward / reverse wiring setup, measurement circuitry automatically selected according to the test current input and switching range, the measurement circuit using a Fourier transform to filter out interference, separate the fundamental signal on standard current and current test vector operations, calculate the magnitude of the capacitance angular difference calculation tgδ. Repeated multiple measurements, choose an intermediate result after sorting. End of the measurement, the measuring circuit frequency power to issue directives Buck Slow down to zero. 1, the high voltage output: 0.5 ~ 10kV, each file increases 500V, Twenty stalls, capacity: 1500VA 2, Accuracy: tgδ: ± (reading * 1.5% + 0.04%) Cx: ± (reading * 1.5% + 5PF ) 3. Resolution: tgδ: 0.01% Cx: 1pF 4, measuring range: 0.01%

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