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The interturn short circuit of generator rotor winding is a common fault in power system.When such faults occur, the rotor current increases and winding temperature increases, which limits the output of the generator, which will affect the normal operation of the generator.The short circuit between turns is usually determined by measuring the AC impedance and power loss of the generator rotor winding.The traditional measurement method is to use multiple test instruments and instruments to measure after assembly on site.This method needs many instruments to build the measurement system, which has the disadvantages of heavy test equipment, time-consuming and laborious, complicated data arrangement and low accuracy.
With the development of digital signal processing technology, new microprocessors and algorithms are emerging. Therefore, we developed a generator rotor AC impedance tester based on DSP.The instrument takes the digital signal processing system as the hardware platform, and gives full play to the calculation ability of the digital signal processor, which greatly improves the calculation speed and accuracy of the instrument, and provides guarantee for the normal operation of the power system.
Technical parameters
Measurement range Impedance:0~999.9Ω
Voltage:0~600V
Current:0~120A
Power:0~72kW
Frequency:45~65Hz
Accuracy: Impedance, voltage, current, frequency:0.2 class
Power: 0.5 class
Dimensions: 345mm×295mm×175mm
Instrument weight: 5kg
| HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China. What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on. Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on. |
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