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Help CenterThree-Phase Three-Wire Rack-Mounted Balance Shunt Active Power Harmonic Filter Complete Set With IGBT and Monitor Power Quality Apf AHF for Automatic Power Factor Correction Reactive Compensation at Transmission and Distribution Level Passive Power Filter
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ENAPF Active power filter complete set
Model description
ENAPF-400V-250A/4L
EN: Company code
APF: Active power filtering complete set
400V: Voltage
250A: Capacity(50A, 100A, 150A…)
4L: 3 phase 4 wire, 3 phase 3 wire
ENAPF active filter detects the load current in real time through the external current transformer CT, and calculates& extracts the harmonic component of the load current through the internal DSP, and then sends it to the internal IGBT by PWM signal. Controlling the inverter to generate a current equal to load harmonics but opposite direction to inject it into the power grid to compensate the harmonic currents to achieve the filtering function.
Harmonic compensation: APF can filter out 2 ~ 50 harmonics at the same time.
Reactive power compensation: Capacitive& inductive (-1 ~ 1) stepless compensation.
Three-phase unbalance compensation: three-phase active power imbalance compensation, three-phase reactive power imbalance compensation, and split-phase compensation.
The semiconductor can be turned on and off more than 10,000 times per second, with extremely fast response and instant improvement.
Design life is more than 100,000 hours (more than ten years).
Conditions of use
1.Ambient temperature: -10 ℃ ~ + 40 ℃
2. Relative humidity: 5% to 95%, no condensation
3.Altitude: ≤1500m, between 1500 ~4000m, according to GB / T3859.2, the power decreases by 1% for every 100m increase
4.Environmental conditions: no harmful gas and steam, no conductive or explosive dust, no severe mechanical vibration
Technical parameters
1.Rated input line voltage: 380V (-20% ~ + 20%)
2.Grid frequency: 50Hz (range: 45Hz to 55Hz)
3.Power grid structure: three-phase three-wire, three-phase four-wire (400V).
4.Current transformer: 100/5 to 5000 / 5
5.Circuit topology: Three- Electrical level
6.Overall efficiency: ≥97%
7.Standards: IEEE519, IEC 61000-3-6, ER G5 / 4
Performance
1.Single module capacity: 400V (50A, 100A, 150A optional)
2. Response time
3.Target power factor: 1
4.Intelligent air cooling: good ventilation condition
5.Noise :
Communication monitoring
1.Communication interface: RS485, CAN interface
2.Communication protocol: Modbus protocol.
3.Module display: LCD multi-function touch color screen (optional)
4.PC software: All parameters can be set directly through PC
5.Protection functions: overvoltage protection, under voltage protection, short circuit protection, over current protection, over temperature protection, drive fault protection
6.Fault alarm: support independent monitoring or centralized monitoring
ENAPF-400V- 100A/4L
ENAPF-400V- 150A/4L
ENAPF-400V- 200A/4L
ENAPF-400V- 250A/4L
ENAPF-400V- 300A/4L
ENAPF-400V- 400A/4L
ENAPF-400V- 500A/4L
Passive power filter device(PPF)
The ENPPF low-voltage passive power filter device is mainly composed of an LC filter channel composed of a filter capacitor, a filter reactor, and an non-inductive resistor, and it is connected in parallel to the grid where the non-linear load is located. Each filtering channel is designed according to the composition, size of the harmonic current and reactive power requirements. For harmonics, each filter channel is equivalent to a low-impedance channel, so that most of the corresponding harmonic current flows into the channel to filter out the harmonic current, thereby reducing the voltage and current distortion rate of the common connection point. At the same time, the device can provide capacitive reactive power to the system to improve the power factor of the system.
Application occasion
The passive power filter device is suitable for the occasions where the limited specific times harmonics need to be filtered out in the enterprise, and it is not suitable for the occasions with fast impact loads.
Features
1.Non-equivalence and resonance suppression design, from the single filtering in the past to the combination of reactive power and filtering, pay more attention to the synchronous improvement of power quality.
2.Miniaturized modular structure design is more compact, and production and installation are extremely convenient.
3.The filtering and compensation devices performance and safety has been greatly improved.
4.Intelligent compensation.
5.Multiple protection functions: over-current and over-voltage protection, power failure protection, temperature protection and current imbalance protection.
Technical parameters
Compensation capacity (kvar) |
90 |
Rated voltage |
0.4~1kv |
Power supply frequency |
50HZ/60HZ |
Power supply phase |
3 phase 3wire or 3 phase 4wire |
Current sensor |
Ordinary current sensor |
Harmonic Compensation Times |
5th, 7th, 11th, 13th and above (setting according to harmonic components) |
Way of working |
continuously working |
Protective function |
AC overvoltage, under voltage, over current, device overheating |
Cooling |
Air-cooled |
efficiency |
>92% |
Operating ambient temperature |
-10~+40℃ |
Relative humidity |
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