300KVAR Reactive Power Compensation Device Automatic Power Factor Correction Improvement Board

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300KVAR Reactive Power Compensation Device Automatic Power Factor Correction Improvement Board

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Product Description

Thyristor Switched Capacitor System Banner

Thyristor Switched Capacitor system is designed for 0.4kV low voltage distribution network. It mainly 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.

Products Description

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:

Convenient assembly & replacement;
Reactors for harmonics to adapt to more complex sites;
The capacitor has self-healing function and high reliability;
It can be combined into a large capacity range, up to 400kvar.

Device	Technical Parameter	Value / Standard
Capacitor	Over current	1.7In
	Rated voltage	480V
	Capacity tolerance	-1% ~ +3%
	Tangent of loss angle	tanδ ≤ 0.1
	Three-phase imbalance rate	< 105%
	Relative humidity	≤ 85%
	Ambient temperature	-25℃ ~ +55℃
Reactor	Rated voltage	400V (3 phase) / 230V (single phase)
	Over current	1.7In
	Inductive error	±3%
	Installation	Horizontal or vertical
	Ambient temperature	-25℃ ~ +105℃

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.

Thyristor Switch Technical Specifications
Working 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℃ ~ +70℃
Environmental Humidity	≤ 85%
Allowable Maximum Altitude	≤ 2,000m (5,000m can be customized)
Service Life	10^6 times
External Dimension	116 (width) × 214 (height) × 186 (depth) (unit: mm)
Installation Hole Dimension	35 (width) × 198 (height)

Detail Images

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.

PFC Controller Parameters
Number of output contacts	12
Wiring (Signal Input)	3 phase 4 wire for combined compensation
Voltage Range	Phase voltage 20 ~ 220V
Voltage Overload	Continuous: 1.2 times; instantaneous: 2 times
Voltage Power Consumption	< 1VA
Current Range	5A
Current Overload	Continuous: 1.2 times; instantaneous: 2 times
Current Power Consumption	< 1VA
Frequency (Signal Input)	45 ~ 65 Hz
Power Supply	AC/DC 80 ~ 270V
Switching Output	Capacity 3A / 250VAC (3A / 30VDC) relay or level (not less than 8mA) output
Communication	RS485, 1200 ~ 9600bps Parity method: N81, N82, E81, O81
Accuracy	Electricity: 1.0, Power: 2.0, Frequency: ±0.1Hz, Harmonic measurement: B
Display Mode	LCD display: 128*64 LCD, contrast can be set
Protection Degree	Panel IP66, case IP30
Environment	Working temperature: -15 ~ 55℃, Storage temperature: -20 ~ 75℃
Outline Dimension and Weight	Outline dimension: 120 × 120 × 114mm, Weight: 0.6kg

Capacity Selection

Packing & Delivery

Certifications

Frequently Asked Questions

What is the primary function of a Thyristor Switched Capacitor (TSC) system?

The TSC system is designed for 0.4kV low voltage distribution networks to act as a dynamic reactive power compensation module. Its key functions include energy saving, line loss reduction, power factor enhancement, and the improvement of grid power quality.

What advantages does the SLG series Capacitor & Reactor combination provide?

The SLG series offers convenient assembly and replacement, reactors that handle complex harmonic conditions, high-reliability self-healing capacitors, and flexible modular combinations capable of supporting capacities up to 400kvar.

In what environments is the LBT series Thyristor Switch most applicable?

It is ideal for high-speed, contactless, and zero-wear switching applications where reactive loads change rapidly, such as lifting equipment, elevators, and electric welding machines.

What communication protocol is supported by the PFC Controller?

The PFC Controller features an RS-485 standard bus interface and fully supports the Modbus-RTU communication protocol for easy industrial integration and monitoring.

How does the PFC Controller protect against sudden power interruptions?

It includes a pressure loss release feature that safely and automatically handles power grid suspensions lasting longer than 15 milliseconds.

What are the protection ratings for the PFC Controller housing?

The front panel has an IP66 rating, providing complete protection against dust and high-pressure water jets, while the body case has an IP30 rating.

Product Detail

300KVAR Reactive Power Compensation Device Automatic Power Factor Correction Improvement Board

Product Description

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Product Detail

300KVAR Reactive Power Compensation Device Automatic Power Factor Correction Improvement Board

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