BUSINESS
Reactive Power Compensation Controller
Power quality
reactive power compensation controller
Connection Diagram
Organization Diagram
Rating
| Display |
7-inch true color graphic LCD [consolidated voltage/current/power display] |
| Measurement |
voltage/current ±0.2% Full Scale |
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128 samplings/Cycle True RMS measurement |
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Supports 50/60Hz |
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Supports 3-phase 4-wire/3-phase 3-wire |
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Voltage, current, power [active, reactive, volt-ampere], power factor, frequency |
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Maximum, minimum |
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| Harmonics analysis |
voltage/current 3-phase THD |
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Expression up to 31st |
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| Power quality | Sag |
| Vector diagram | |
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Harmonics analysis graph [voltage, current] up to 31st |
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Each phase’s power factor |
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| Power compensation | Sag event detection |
| Power factor and THD (manual/automatic) | |
| Delay time adjustment | |
| Manual Mode function | |
| 8-channel power factor and harmonics control digital output | |
| Digital output | Digital output expansion |
| Communication | RS485/422 [Modbus RTU protocol ] 1 port |
| Others | AC power [85 ~ 265V] |
| DC power [100 ~ 300V] |
Measurement function
| Function | Measurement elements | Measurement range | Note |
| Measurement function | voltage(V) | 0.00~999.99kV | |
| Current(A) | 0.00~999.99kA | ||
| Active power(kW) | 0.00~999.99MW | ||
| Reactive power(kVAR) | 0.00~999.99MVAR | ||
| Volt-ampere(kVA) | 0.00~999.99MVA | ||
| Frequency(Hz) | 40~70Hz | ||
| Power factor(%) | -1.000~1.000 | ||
| Phase | 0.000~360.00º | ||
| Harmonics voltage | % or V | 1~64th | |
| Power quality | harmonics current | % or A | 1~64th |
| THD(V, A) | |||
| Sag | 0.1~0.9pu | ||
| Sweel | 1.1~1.8pu | ||
| Measured data processing | Average value upon Max/min | 3-phase voltage/current, active/reactive/volt-ampere power, harmonics voltage/current | 1~60minutes |
Features
Electrical characteristics
- Data display
– RMS, Pf, Angle, Hz, VA, W, VAR, harmonics (voltage, current 64th)
- Graph display
– Meter : V, I, Pf, VA, W, VAR, Hz
– THD : each phase V, I (category, selected display possible)
– Power Factor
– Phase (phase error displayed together)
– SVC & Manual filter ON/OFF status
– data scope function
Function
- Event Processing
– Alarm display if data set range exceeded
– History accumulation and USB storage function
- SVC & Harmonics Filter Bank
– Harmonics filter can be selected per order (select condition, combination and time)
– Current operating status and operating time of individual harmonics filters can be displayed.
– Fan operation/stop can be selected by setting of individual banks and temperature inside equipment
– Set auto/manual mode through key input
H/W
- Triple Redundant Control Power
– Receives 3-phase input power and meter operates even if one phase is dropped out
– Prevents memory loss during power outage by employing super capacitor - Uses True color LCD
- Noise reduction system applied
- High speed memory for storage of instantaneous data
Measurement and Analysis
- RMS data : Va, Vb, Vc, Ia, Ib, Ic,In
- hidden=”true”> Instantaneous voltage : Va, Vb, Vc, Ia, Ib, Ic, In
- Power Factor : A phase, B phase, C phase (between voltage-current)
- Phase angle: A phase, B phase, C phase (between voltage-current)
- THD(%) : Analyzes the voltage and current harmonics up to the 64th by order
- Frequency(Hz) : A phase ,B phase, C phase (voltage)
- Instantaneous voltage drop(sag) detection (standard: 0.1~0.9pu, range adjustable)
- Volt-ampere(kVA), active power(kW), reactive power(kVAR), integrating power