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E-mail
940009794@qq.com
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Phone
1395802750715968172475
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Address
No. 159, Nanshan North Road, Renhe Street, Yuhang District, Hangzhou City
Hangzhou Weige Electronic Technology Co., Ltd
940009794@qq.com
1395802750715968172475
No. 159, Nanshan North Road, Renhe Street, Yuhang District, Hangzhou City
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Test function
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measurement parameters
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time-consuming
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Remarks
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Steady state testing
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Voltage (U: V), current (I: A), active power (P: W), power factor (P: F), apparent power (S: VA), reactive power (Q: Var), active energy (Ep: W · h), reactive energy (Ep: Var · h)
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1 second/time
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waveform
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All waveforms, voltage waveform, current waveform, phase separated waveform, waveform data: voltage modulation rate, voltage peak value Upk, voltage peak coefficient Ucf, voltage distortion rate, current peak value Ipk, current peak coefficient Icf
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harmonic
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Voltage total harmonic (waveform distortion rate), current total harmonic; Harmonic bar chart, voltage deviation system, voltage and current harmonics (frequency 1-59, intermediate frequency 1-29); Telephone harmonic factor (power frequency)
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Setting test
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Voltage setting rise range, relative voltage setting rise range;
Voltage setting drop range, relative voltage setting drop range;
Frequency setting rise range, relative frequency setting rise range;
Frequency setting decrease range, relative frequency setting decrease range;
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100 seconds
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Simultaneously conduct three-phase and average value tests
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Wave testing
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Maximum and minimum fluctuation voltage, steady-state voltage deviation;
Maximum and minimum fluctuation frequencies, steady-state frequency band cold and hot voltage change rates
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60 seconds
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Sudden testing (loading)
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The minimum instantaneous voltage that decreases during loading, transient voltage deviation, and voltage recovery time after increasing the load; (Implemented by system buttons)
The lowest instantaneous frequency that decreases during loading, the transient frequency deviation, and the frequency recovery time after increasing the load;
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12 seconds (power frequency) 6 seconds (intermediate frequency)
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Sudden unloading test (load reduction)
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The highest instantaneous voltage that rises during unloading, transient voltage deviation, and voltage recovery time after load reduction; (Implemented by system buttons)
The highest instantaneous frequency that rises during unloading, transient frequency deviation, and frequency recovery time after load reduction;
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waveform recording
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Three phase voltage waveform; Four recording modes: Umod (peak value, 256 points), 2000 points/second, 4000 points/second, Har (harmonic mode, power frequency 128 points/cycle, intermediate frequency 64 points/cycle)
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Record 28160 points per phase
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Three phase simultaneous waveform recording
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