First, an overview 
 HDGC3561 portable three-phase power quality analyzers, dedicated portable detection and analysis of the quality of grid operation. Can provide electricity in the operation of harmonic analysis and power quality analysis, equipped with large-capacity memory, long-term data acquisition testing the power grid, while with PC application software, upload the collected data to your computer for easy various analyzes. 
 Second, the functional 
 1, voltage, current, frequency: 
 Measurable phase voltage, the zero line voltage, phase current, neutral current, and frequency. 
 2, the harmonic measure: 
 Measurable to the 50th harmonic, the measurement results, including the harmonic voltage and harmonic current amplitude, voltage harmonic distortion (total harmonic distortion rate), and various voltage harmonics / current harmonic content ratio; harmonic bar graph is displayed. 
 3, the power measurement: 
 Measurable three-phase apparent power, active power, reactive power, power factor, three-phase power. 
 4, three-phase imbalance measurement: 
 Measure the three-phase voltage unbalance degree and positive sequence, negative sequence, zero sequence voltage; degree of unbalanced three-phase current and positive sequence, negative sequence, zero sequence current; to display the voltage vector, current vector. 
 5, the inrush current: can record at least 40 inrush current events. 
 Fluctuations / flicker: fluctuations in short-term flicker, long-term flicker measurement. 
 7, swells / plummeted: to record the voltage dips, swells the event, and can record up to 40 events. 
 Monitoring records: a long record of basic power quality parameters of the (steady state), the recording time interval adjustable from 3 seconds to 30 minutes. 
 9, a digital oscilloscope: can be used to view the voltage / current signal waveform. 
 Third, the design features 
 A color touch screen display, easy to operate. 
 2, high-performance lithium battery power supply for a long time. 
 Three, three-phase troubleshooting tool: the actual measurements for each power system parameter: voltage, current, frequency, power, power consumption (energy), unbalance and flicker, harmonics and inter-harmonics, capture like a sudden jump in The sudden drop in these events, transients, interruptions and rapid voltage changes. 
 4, HDGC3561 three-phase power quality analyzer is manufactured with reference GB/T14549-93 power quality utility grid harmonic GB IEC61000-4-31A-class standards. 
 5, U disk can use extended memory, extended recording time. 
 Fourth, the typical application 
 ① front-end troubleshooting: the screen displays the failure of rapid diagnosis, allowing the system to resume normal work 
 ② predictive maintenance: to detect and prevent power quality problems in the event of a lockout before 
 ③ quality of service: the user to introduce the line to check the power quality 
 ④ long analysis: detection of difficult to find or intermittent failures 
 (5) load research: check the electrical system capacity before the increase in load 
 ⑥ energy assessment: energy consumption before and after the transformation of quantitative assessment to prove the effect of saving equipment 

 Five technical indicators 
 Measurable range measurement accuracy instructions 




 Voltage / current / frequency three-phase voltage: 10 ~ 700V (rms) 
 Zero line voltage: 1 ~ 70V (True RMS) 
 Three-phase current: 0 ~ 1000A (True RMS, matching the 1000A current sensor) 
 Zero line current: 0 ~ 25A (True RMS Option 25A current sensor) 
 Frequency: 40 ~ 70Hz 


 Voltage: ± 0.5% 
 Current: ± 0.5% 
 Frequency: ± 0.01Hz 


 Here for the A-phase voltage and frequency as the measurement frequency 

 Harmonic measurement voltage harmonics: harmonic, a 50th harmonic. 
 Current Harmonics: THD, 1 to 50th harmonic. 
 Voltage harmonics: ± 0.1 (f) of 
 Current harmonics: ± 1% 





 Power Measurement active: 0.05 ~ 700 kW 
 , As in: 0.05 ~ 700KVA 
 Reactive Power: 0.05 ~ 700KVAR 
 Power factor: 0.00 to 1.00 
 Active energy: 0.01 ~ 10000kWh. 
 Apparent energy: 0.01 ~ 10000kVAh 
 Reactive power: 0.01 ~ 10000kVARh 
 Average power factor: 0.00 ~ 1.00 active: ± 2% 
 Apparent: ± 2% 
 Reactive: ± 2% 
 Power Factor: reading ± 0.005 
 Active energy: ± 2% 
 Apparent energy: ± 2% 
 Reactive energy: ± 2% 
 Average power factor: reading ± 0.005 



 Unbalanced three-phase fundamental voltage: 10 ~ 700V (rms) 
 Fundamental current: 0.5 ~ 1000A (True RMS) 
 Fundamental frequency: 40 ~ 70Hz 
 Phase angle: 0 ~ 360o 
 Imbalance degree: 0.0% ~ 100% Voltage: 0.5% 
 Current: 0.5% 
 Frequency: reading ± 0.01Hz 
 Phase angle: reading ± 0.3 o 
 Voltage imbalance: reading ± 0.2 
 Current imbalance: reading ± 0.2 
 Here for A-phase voltage and frequency as the total measurement frequency 





 Monitoring records 

 Can record the parameters: 
 Three-phase voltage, phase current, neutral current, voltage harmonics (THD, 1 to 25 harmonics), Current Harmonics (THD, harmonics 1 to 25), unbalanced three-phase, active power, power factor, fluctuations and flicker 

 Record length = (instrument can record the maximum number of data x to save the time interval) / 60 minutes 
 Instrument can record the maximum number of data 
 = 18635 
 Save time intervals: 3S ~ 30MIN 
 Record length: 15 hours to 388 days 
 Collection interval set to 3 seconds, the monitoring of 15.5 hours, the collection interval is set 388 days (three seconds to 30 minutes, 30 minutes can be monitored continuously adjustable) 

 Swells plunged 
 Voltage swells, voltage sag, and temporary power outages 
 Can record up to 40 events 
 Fluctuations in voltage fluctuation: 0.1% to 10.0% measurement error: ± 5% 
 Flicker short-term flicker 
 Short period of time long-term flicker flicker measurement error: ± 5% 
 Long time flicker measurement error: ± 5% 
 Digital oscilloscope, phase voltage, phase current, the zero line voltage and neutral current transient waveform of the maximum sampling frequency: 200KHz 
 Minimum sampling frequency: 100Hz 
 Model HDGC3561 
 Size 290 × 110 × 55mm 
 Display touch screen, 5.7-inch 320 × 240 color graphic LCD 
 Communication interface USB 
 Weight 1.6KG 
 Memory 128M (bit)