KPM75 Power Quality Analyzer
KPM75 is the advanced power quality analyzer that follow international power quality standards and monitor all power quality parameters such as flicker, short interruptions in recorded voltage, and harmonic up to 63rd measurements with power data Statistics, IO signal control alarm, communication and other functions.
Features
It’s mainly used in main line to monitor the incoming line grid power quality online in real time.
- Online Power Quality Analyzer
- Full electrical parameter measurement: UL-L, UL-N, I, F, PF, P, Q, S, four-quadrant energy, etc.
- High accuracy:
- U Class 0.2;I Class 0.2
- P Class 0.2S;Active energy Class 0.2S
- Power quality analysis:
- 2-63rd harmonic analysis;I/U Total distortion rate;
- Crest coefficient; Valley coefficient;
- Voltage imbalance rate, deviation; frequency deviation, etc.
- Voltage fluctuation, flicker, intermittent wave, etc.
- Voltage short interruptions, surges and sags, etc.
- Record function:
- 50 voltage fluctuation events; 50 voltage flicker events;
- 50 voltage short interruptions events; 50 voltage surges and sags events;
- Monthly average power factor and power data for the last three months;Maximum and minimum data
- 100 digital inputs events;100 digital outputs events;
- Meter working time, load time statics.
- Communication: RS485/Modbus-RTU;Profibus-DP
- Multi rate: Total 4 tariffs for 8 different time slots
- Optional function:
- 4 digital inputs;
- 4 digital outputs;
- PT100 temperature monitoring;
- 4-20mA analog output
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Working power source |
Operating Voltage |
AC 85-265V/ DC 80-310V |
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Rated power consumption |
< 3VA |
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Input voltage |
Rated voltage |
57.7/100V,220/380V,380/660V |
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Overvoltage capability |
1.2 times rated voltage allowed, continuous work; 2 times the rated voltage allowed 10S |
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Rated power consumption |
<0.5VA(per phase) |
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Measurement range |
LN：50~260VAC， LL：90~450VAC |
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Input current |
Rated current |
Default 5A, input range 1-6A; optional 1A, input range 1-1.2A |
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Overload capacity |
1.2 times rated current allowed, continuous work; 20 times the rated current allowed 10S |
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Rated power consumption |
＜0.4VA(per phase) |
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Measurement range |
5A：0~6A； 1A：0~1.2A |
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Measurement accuracy |
Voltage |
±0.2%（0.01V） |
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Current |
±0.2%（0.01A） |
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Active power |
±0.2%（0.01W） |
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Reactive power |
±2.0%（0.01var） |
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Power factor |
±1.0%（0.001） |
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Frequency |
±0.002Hz |
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Active energy |
±0.2%（0.1kwh） |
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Reactive energy |
±2.0%（0.1kvarh） |
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Measurement display |
Basic parameter |
Voltage / current, active power, reactive power, apparent power, frequency, active energy |
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Power quality |
2-63rd harmonic distortion rate; total harmonic distortion rate; crest factor; current K factor; voltage / current imbalance rate, flicker, voltage surge, dips, short interruptions |
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Demand statistics |
Power demand maximum, minimum and current value |
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Multi-rate |
8 time periods, 4 kinds of rates |
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historical data |
Record monthly average power factor and power data for the last three months |
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Communication |
communication port |
RS485，Photoelectric isolation interface |
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Communication protocol |
Modbus-RTU, 1200-38400BPS Probibus-DP，9600-12Mbps |
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DI & DO |
Switch value input |
4-way passive main line contact DI input, internal supply DC24V power supply |
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Relay output |
4-Way DO output, contact capacity 250VAC / 5A, 30VDC / 5A |
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Pulse output |
1-way passive optocoupler collector active pulse output |
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Product features |
Display |
160 * 160 large dot-matrix LCD graphics display |
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Extensions function |
Pluggable expansion design |
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Degree of protection |
IP54 |
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Dimensions |
96*96*88 |
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Working environment |
Operating temperature |
-25℃ ~ +70℃ |
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Storage temperature |
-30℃ ~ +75℃ |
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Relative humidity |
5% ~ 95% No condensation |
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Altitude |
Not more than 4000m |
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Safety |
Withstand voltage |
AC2kV/min~1mA input-output-source |
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Insulation |
＞50MΩ |
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Electromagnetic Compatibility |
Electrostatic discharge immunity |
IEC61000-4-3, level 4 |
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Fast pulse group immunity |
IEC61000-4-4, level 4 |
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Surge immunity |
IEC61000-4-5, level 4 |
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Power frequency magnetic field immunity |
IEC61000-4-8, level 4 |
