Low Voltage PFC Power Factor Correction Capacitor Panel Power Distribution Devices

The Low Voltage PFC Power Factor Correction (PFC) Capacitor Panel Power Distribution Devices utilize a Thyristor Switched Capacitor (TSC) system, designed for 0.4kV low voltage distribution networks. This advanced system includes Thyristor switches, capacitors, and reactors, offering energy-saving benefits, reduced line losses, enhanced power factor, and improved overall power quality. With high reliability and quick switching capabilities, it’s ideal for applications where reactive load fluctuations occur frequently.

Key Features

Thyristor Switch (LBT Series):

• High Reliability: The LBT series dynamic switching unit is a contactless, rapid switch that ensures reliability in dynamic power factor compensation systems.
• Fast Switching: It features a switching time of ≤20ms, ideal for applications with frequent reactive load changes, such as lifting equipment, elevators, and electric welding machines.
• Long Service Life: The thyristor switch offers a service life of up to 1 million switching cycles, ensuring durability and reduced maintenance.

Capacitors & Reactors (SLG Series):

• Accurate Matching: The combination of capacitors and reactors is carefully designed to match reactance coefficients and output capacity, ensuring efficient power factor correction.
• Self-Healing Capacitors: The capacitors come with a self-healing function, ensuring high reliability and protection against faults.
• Adaptable Reactors: The reactors are designed to handle harmonic distortions, making them suitable for more complex sites.
• Large Capacity Range: The system can be combined to provide a capacity range of up to 400kvar, making it scalable for different needs.

PFC Controller:

• Fully Digital Design: The controller uses an AC sampling algorithm for accurate monitoring and control.
• Modbus-RTU Communication: It supports RS-485 standard bus interface and Modbus-RTU communication protocol for seamless integration into existing systems.
• Pressure Loss Release: It automatically releases pressure loss when power is interrupted for more than 15 ms.
• Output Capacity Adjustment: The controller allows for the adjustment of output capacity for each circuit, offering flexibility in compensation settings.

Versatile Application: Ideal for industrial, commercial, and residential applications requiring efficient power factor correction, including factories, buildings, and large facilities.

Environmental Resistance: The system operates within a wide temperature range of -25℃ to +70℃ and can handle environments with humidity levels up to 85%. It also accommodates installations at altitudes up to 2,000m (5,000m can be customized).

Energy-Efficient: The system is designed for low energy consumption, making it an environmentally friendly solution that reduces operational costs.

Technical Specifications

Thyristor Switch

• Power Source: AC220V ±20%
• Switching Capacity: 15–50Kvar
• Control Voltage: 5–15V DC
• Switching Time: ≤20ms
• Contact Voltage Resistance: 1600V
• Cooling Mode: Active air cooling
• Environmental Temperature: -25℃ to +70℃
• Environmental Humidity: ≤85%
• Altitude: Up to 2,000m (5,000m customizable)
• Service Life: 10^6 cycles
• Dimensions: 116 (width) × 214 (height) × 186 (depth) mm

Capacitor & Reactor

• Capacitor:
  • Over Current: 1.7In
  • Rated Voltage: 480V
  • Capacity Tolerance: -1% to +3%
  • Tangent of Loss Angle: tanδ ≤ 0.1
  • Three-phase Imbalance Rate: < 105%
  • Ambient Temperature: -25℃ to +55℃
• Reactor:
  • Rated Voltage: 400V (3-phase) / 230V (single-phase)
  • Over Current: 1.7In
  • Inductive Error: ±3%
  • Installation: Horizontal or vertical
  • Ambient Temperature: -25℃ to +105℃

PFC Controller

• Number of Output Contacts: 12
• Signal Input: 3-phase 4-wire for combined compensation
• Voltage Range: Phase voltage 20–220V
• Overload: Continuous 1.2 times; instantaneous 2 times
• Power Consumption: <1VA
• Current Range: 5A, overload 1.2 times continuous; instantaneous 2 times
• Power Supply: AC/DC 80–270V
• Switching Output: 3A / 250VAC (3A / 30VDC) relay or level output (≥8mA)
• Communication: RS485, 1200–9600bps
• Accuracy: Electricity 1.0, Power 2.0, Frequency ±0.1Hz
• Display Mode: 128*64 LCD display, adjustable contrast
• Protection Degree: Panel IP66, case IP30
• Operating Temperature: -15℃ to +55℃
• Storage Temperature: -20℃ to +75℃
• Dimensions: 120 × 120 × 114 mm
• Weight: 0.6kg

Product Info Gallery

(Images can be sourced using Google Lens or fr

Thyristor Switched Capacitor system is designed for 0.4kV low voltage distribution network.It main includes the Thyristor Switches, Capacitors and Reactors, using as a new generation of compensation module with functions of energy saving, reduction of line loss, power factor enhancement and improvement of power quality.

Thyristor Switch

LBT series dynamic switching unit refers to a kind of contactless rapid switch with high reliability, and it is used in dynamic power factor compensation equipment. It is especially applicable to switching occasions requiring rapid and no-wear switching. It is usually applied into occasions where reactive change is frequent,such as lifting equipment, elevator and electric welding machine.

Capacitor & Reactor

SLG series is a combination of filter reactors and capacitors that are accurately matched and calculated according to reactance coefficient and output capacity through professional design.

Features

1. Convenient assembly & replacement;

2. Reactors for harmonics to adapt to more complex sites;

3. The capacitor has self-healing function and high reliability;

4. It can be combined into a large capacity range, up to 400kvar.

PFC Controller

PFC Controller Main Features

- The model refers to fully digital design, and adopts AC sampling algorithm

- The model possesses RS-485 standard bus interface, and it supports Modbus-RTU communication protocol;

- The model can be of pressure loss release after the power supply to power grid has been suspended for longer than 15 ms;

- It is allowed to set the output capacity of each output circuit at the same time.

Capacity selection