8961C1 Generator specific testerDetailed product description：

The 8961C1 generator specific tester is a specialized instrument designed for testing generators. The tester adopts a new high-speed, pipeline structure core with a processing speed of up to 100MIPS, and is equipped with a high-speed A/D for sampling at a speed of 200k. The design widely adopts highly integrated chips, making the internal structure of the entire instrument compact and simple. At the same time, it improves the high reliability and accuracy of the entire machine. Adopting a 320x240 large screen LCD display (graphic and textual display).

The 8961C1 generator specific tester meets the following standard requirements and tests the generator according to the following requirements.
GB/T 2820-1997 AC generator sets driven by reciprocating internal combustion engines;
GB 2820-1990 General Technical Conditions for Power Frequency Diesel Generator Sets;
GJB 1488-1992 General Test Methods for Military Internal Combustion Engine Power Stations;
GJB 235A-1997 General Specification for Military AC Mobile Power Stations;

test project
Table 2-1: Test Items and Test Parameters

Test function	measurement parameters	time-consuming	Remark
Steady state testing	Voltage (U: V), current (I: A), active power (P: W), power factor (PF), apparent power (S: VA), reactive power (Q: Var), active energy (Ep: W · h), reactive energy (Eq: Var · h)	1 second/time
Waveform	All waveforms, voltage waveform, current waveform, phase separation waveform, waveform data: voltage modulation rate, voltage peak Upk, voltage peak coefficient Ucf, voltage distortion rate, current peak Ipk, current peak coefficient Icf
Harmonics	Voltage total harmonic (waveform distortion rate), current total harmonic; Harmonic bar chart, voltage deviation coefficient, Voltage and current harmonics (frequency 1-59, intermediate frequency 1-29); Telephone harmonic factor (power frequency)
unbalance degree	Voltage imbalance, fundamental data of three-phase voltage, zero sequence voltage, negative sequence voltage, positive sequence voltage; Voltage angle, current angle, phase angle; Phasor diagram
Setting test	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;	100 seconds	Simultaneously conduct three-phase and average value tests
Wave testing	Maximum and minimum fluctuation voltage, steady-state voltage deviation; Maximum and minimum fluctuation frequencies, steady-state frequency band	60 seconds
Sudden testing (Loading)	The minimum instantaneous voltage that decreases during loading, transient voltage deviation, and voltage recovery time after increasing the load; The lowest instantaneous frequency that decreases during loading, the transient frequency deviation, and the frequency recovery time after increasing the load;	12 seconds (Power frequency) 6 seconds (Mid frequency)
Sudden unloading test (Load reduction)	The highest instantaneous voltage that rises during unloading, transient voltage deviation, and voltage recovery time after load reduction; The highest instantaneous frequency that rises during unloading, transient frequency deviation, and frequency recovery time after load reduction;
Recording waves	Three phase voltage waveform; Four recording modes: Umod (peak to peak value, 256 points), 2000 points/second, 4000 points/second, Har (harmonic mode, power frequency 128 points/cycle, intermediate frequency 64 points/cycle);	Record 28160 points per phase	Three identical Time recording wave

Please refer to the relevant chapters in the manual for detailed information on each parameter item, and provide a detailed introduction for each.