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ODM Self-Healing Low Voltage Parallel Capacitor Separate Compensation Type Manufacturers, Manufacturer
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ODM Self-Healing Low Voltage Parallel Capacitor Separate Compensation Type Manufacturers, Manufacturer

ODM Self-Healing Low Voltage Parallel Capacitor Separate Compensation Type Manufacturers, Manufacturer

Working conditions and environmental requirements

● After the capacitor is removed from the power supply, it is necessary to ensure that the residual voltage of the capacitor drops to 10% of the rated voltage before it is allowed to be put into operation again. Generally, this time is about 200 seconds. Therefore, when choosing a controller, pay attention to choosing a controller with a re-energization lockout time function. If a general controller is used, a quick discharge device needs to be additionally installed.

● The installation and altitude of capacitors must not exceed 2000m. The ambient temperature range is between -25℃ and +50℃ (the average temperature within 24 hours is ≤40℃, and the average temperature within one year is ≤40℃). Moreover, capacitors must work under good ventilation conditions and are prohibited from being used in a sealed and unventilated environment.

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Product Description

Main characteristics and applications

  • This product is wound with the domestic highest quality and high-temperature-resistant metallized film. It has good self-healing property, small capacity loss and low dielectric loss.
  • The capacitor is internally connected by copper foil. Compared with traditional multi-core flexible cables, the welding is more solid and the line loss is lower. It has stronger heat dissipation and current-carrying capacity, and a longer service life. It can also withstand high inrush current (200 IN).
  • Using new canning equipment and high-purity micro crystalline wax, the product has good sealing performance, no oil leakage, no pollution and no corona discharge. The anti-corrosion metal shell does not need painting. It is beautiful and firm, and is convenient for installation and transportation.
  • The product is mainly suitable for parallel connection with load in AC power system with power frequency of 50Hz rated voltage of 1000V and below, so as to improve the power factor of the system, reduce line loss, improve voltage quality, and give full play to the efficiency of power generation and power supply equipment.

Main technical parameters

Rated voltage (UN) Line voltage 450V a.c. (Other voltages can be specially customized).
Capacity range (CN) 5kVar ~ 30kVar (Other capacities can be specially customized)
Allowable deviation of capacity -5% ~ +10%
Rated frequency (fN) 50Hz/60Hz
Allowable ambient temperature -25℃ ~ C (C: 50℃)
Tangent of loss angle tanδ ≤0.0015 (20℃)
Inter-electrode testing voltage 2.15UN (5s, 20°C±5°C)
Test voltage between electrode and shell 3kVa.c. (10s, 50Hz, 20°C±5°C)
Maximum allowable overvoltage 1.1 UN: No more than 8 hours within 24 hours.
1.15UN: No more than 30 minutes within 24 hours.
1.2 UN: No more than 5 minutes within 2 months.
1.3 UN: No more than 1 minute within 1 month.
Maximum allowable current value ≤1.3IN, excessive overcurrent shall not exceed 1.43IN at most.
Self-discharge characteristics After the capacitor is disconnected from the power supply for 3 minutes, the residual voltage drops below 50V.
Compliance with standards GB/T12747-2017, IEC60831:2014
Frequently Asked Questions
What are the main advantages of using metallized film in these capacitors?
The high-quality, high-temperature-resistant metallized film provides excellent self-healing properties, minimal capacity loss, and extremely low dielectric loss, ensuring stable long-term performance.
How does the internal copper foil connection improve performance?
Compared to traditional multi-core flexible cables, the internal copper foil connection ensures more solid welding and reduces line loss. It also enhances heat dissipation, current-carrying capacity, and helps withstand high inrush currents up to 200 IN.
Are custom rated voltages and capacities available for these capacitors?
Yes, while the standard rated voltage is line voltage 450V a.c. and the standard capacity ranges from 5kVar to 30kVar, other customized voltages and capacities can be specially ordered to meet your requirements.
What safety features are integrated into the product's casing?
The product uses high-purity microcrystalline wax sealing for zero oil leakage and zero corona discharge. It is housed in an anti-corrosion metal shell that requires no painting, offering a firm, beautiful, and secure casing for safe transport and installation.
What are the self-discharge parameters of this capacitor?
The capacitor is designed for safety; once disconnected from the power supply for 3 minutes, the residual voltage automatically drops below 50V.
Which standards do these power capacitors comply with?
These capacitors are fully compliant with recognized national and international standards, specifically GB/T12747-2017 and IEC60831:2014.

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