PQM10 power quality online monitoring device is a high-end equipment integrating high-precision power parameter measurement, power quality analysis, power metering, data recording and waveform capture, alarm and communication integration functions. The meter is designed to be compact and powerful, which can monitor the power quality of the power grid in real time, provide accurate data support, help users quickly identify power quality problems and take effective measures to ensure the safe, stable and efficient operation of the power system. Provide users with comprehensive power quality testing, fault diagnosis and energy efficiency optimization solutions.
High Precision Measurement
Comprehensive Power Quality Analysis
Reliable Data Logging and Waveform Capture
Highly Integrated Communication Interfaces
| Power quality standards | Power Quality Measurement Standards | IEC 61000-4-30:2015 Class A |
| IEC 61000-4-7:2009 | ||
| IEC 61000-4-15:2010 | ||
| Power Quality Product Standards | IEC 62586-1:2017 | |
| IEC 62586-12:2017 | ||
| Power quality measurements | Waveform sampling | 1024 points/cycle |
| Harmonic wave | Total harmonic distortion; | |
| 2~63rd harmonic amplitude, phase angle, distortion rate; | ||
| Voltage crest factor, current K coefficient | ||
| Harmonics | Total inter-harmonic distortion; | |
| 0~63 harmonic amplitude and distortion rate | ||
| Voltage deviation | The voltage deviation of each phase is up and down | |
| Frequency deviation | Frequency deviation and downward deviation | |
| Imbalance vs. ordinal components | Voltage and current imbalance | |
| Voltage and current positive/negative/zero-sequence components | ||
| Voltage fluctuations | Short-term flicker, long-term flicker | |
| Grid signal voltage | 2 groups of 8 voltage signal detection | |
| Analysis and recording | Voltage sags event logging | |
| Voltage sag event logging | ||
| Voltage interruption event logging | ||
| Fast voltage fluctuation capture event logging | Provides long-term flicker recording and short-term flicker recording | |
| Inrush current event logging | ||
| Signal voltage event logging | ||
| ITIC/SEMI curves | It is displayed through the web page and display interface | |
| Correctly assess the degree of hazard of transient power quality events and the tolerance of power equipment to voltage disturbances | ||
| Metering | Full-wave power | Forward/reverse/net/total/four-quadrant phases and total active energy, reactive energy, apparent energy; Supports both fundamental and full-wave power |
| Fundamental electrical energy | ||
| Demand | Real-time demand | The current demand of each phase, the forward/reverse phases, the total active power demand, the reactive power demand, and the apparent power |
| Demand | ||
| Event logging | Monitor events | 1024 bars with 1ms resolution |
| Device logs | 1024 bars with 1ms resolution | |
| Data Logging | Valid value records | Semi-weekly data such as voltage, current, and power are recorded |
| Waveform recording | 128 records | |
| Three-phase voltage and current waveform data are recorded | ||
| DI/DO | Switching Inputs (DI) | 8-channel DI (optional) |
| Switching Output (DO) | Optional 8DO + 1Alarm | |
| Communication | RS485 port | 2 pcs |
| RJ45 Ethernet port | 2, 100M/1000M | |
| Communication Protocol | Modbus RTU, Modbus TCP, TCP/IP, HTTP, SNTP, IEC61850 | |
| Display | 7-inch TFT color screen, (resolution: 800x1280) | Measurements, energy values, vector plots, waveform plots, ITIC/SEMI curves, harmonic histograms, power quality event recordings, and more |
| Time Sync | NTP, Modbus, GPS differential, IRIG-BIEEE 1588 | |
| Dimensions | 264*250*175mm | |
