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Generator Performance Comprehensive Testing System (Efficiency)
Host Introduction:
Product details
Instrument name: Generator Performance Comprehensive Testing System (Efficiency)
Instrument model: FZ-3XXX-ATE
Features: Main functions:
This testing system can complete the main type test items for generators below 0.1-75KW:
·Measurement of insulation resistance between windings and the casing and between windings (cold and hot states)
·Measurement of DC resistance of windings in actual cooling state
·Measurement of U=f (n) relationship curve under no-load cold and hot states (generator method)
·Determination of steady-state short-circuit characteristics (generator method)
·Overspeed test - Determination of sine wave distortion rate of voltage waveform
·Measurement of Telephone Harmonic Factors
·Efficiency, power factor, and stator copper consumption can be calculated at rated power using direct measurement and analysis methods
·Heating test (temperature rise test, temperature test), overload test, and overcurrent test
·Measurement of voltage regulation performance under self-excited constant voltage (see attached table)
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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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System Requirements
·Test power supply testing and analysis instrument
·100KW DC power control cabinet with DC motor brake function
·Test bench control system (can set test conditions through a computer, the test bench automatically runs according to the set conditions, and automatically realizes data acquisition, data analysis, test result output, etc.)
·Test tablet and driving device (DC motor Z4)
·Torque and speed sensor · One 100KW water resistance load
·100KW 三相感应调压器一台
·A set of DC motor, sensor, generator coupling, matching pressure plate, M20 gong rod, tooling, etc. Test console
·Various necessary installations, protective covers, system cable accessories, etc
·Test console
technical indicators
·Test system loading capacity range: 0-500N. m Measurement accuracy: 0.5 level (or 0.2 level)
·Test system speed range: 0~2000rpm measurement accuracy: 0.2 level
·Test voltage: below 450V
·Accuracy of electrical parameter measurement sensor: current transformer; 200/100/50/5A not lower than 0.2 level
The detection system meets the following standard requirements
·GB/T1029-2005 "Test Methods for Three phase Synchronous Motors"
Successful case series
Technical Center of Fujian Entry Exit Inspection and Quarantine Bureau, Aiger, Jiangsu, Shenfa, Yangzhou, Greebo, Changzhou
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