Welcome to Zhejiang YideK Co., Ltd. website!
YDX series anti-harmonic smart capacitor (dual circuit)

YDX series anti-harmonics
Smart capacitor (dual loop)

The products are mainly used in chemical, building materials, paper, textile, coal, electric power, telecommunications, aluminum, shipping ports, tobacco, brewing, automobile manufacturing, precision electronics, precision machinery and other fields of work.

At the same time, it can also be applied to the power system of the communication industry, the securities trading power supply system, the airport port backup power system, the large medical system, various UPS generator sets, exhibition venues, commercial office buildings and other commercial power systems. E.g


High-rise building

Product parameters

Environmental conditions

Ambient temperature -40~40°C
Relative humidity: 40 ° C, 20% ~ 90%
Altitude: ≤2000m

Power supply condition
Rated voltage: 220V/380V
Voltage deviation: ±20%
Power frequency: 48.5~51.5Hz
Power consumption: <0.5W (when capacitor is removed)
Measurement error
Voltage: ≤0.5% (within 80~120% of rated voltage range)
Current: ≤1%
Temperature: ±1 °C
Electrical Safety
Clearance and creepage distance, insulation strength, safety protection, short-circuit strength, and control and control circuit protection are in accordance with the corresponding provisions of the Chinese People's Republic of China Power Industry Standard DL/T842-2003 "Use conditions for low-voltage shunt capacitor devices"
Reliability parameter
Control accuracy: 100%
Control allowable times: 2 million times
Capacitance capacity running time decay rate: ≤1%/year
Capacitor capacity switching attenuation rate: ≤0.1%/10,000 times
Annual failure rate: ≤0.1%
Reactive power compensation parameter
Investment response time: >100ms
Reactive capacity: single circuit ≤ 50kvar (three phase), ≤ 30kvar (phase separation); double circuit ≤ 60kvar (three phase), ≤ 40kvar (phase separation)

Online: ≤ 30 units

Anti-harmonic low-voltage intelligent power capacitor

Example 1: YDXS7-40, which represents a common three-phase common anti-harmonic smart capacitor. The capacity is 40kvar, the rated voltage is 480V, and the internal string is 7% reactor.
YDXS7-30, 30-XX, express special three-phase common supplement harmonic intelligent capacitor, the total capacity is 60Kvar, the first group capacity is 30Kvar, the second capacity is 30Kvar, the rated voltage is 480V, the internal string 7% reactor .
Example 2: YDXF7-30, which means the common type of compensation compensation Kang harmonic intelligent power capacitor, the capacity is 30kvar, YDXF14-30-XX, which means the special phase-separated anti-harmonic smart capacitor, the capacity is 30kvar, the rated voltage is 300V, Internal string 14% reactor.

Product working principle

Working principle of the whole machine

The product consists of intelligent components, zero-switching switch, current sampling, temperature sampling, dry series reactor and low-voltage filter power capacitor.
The following figure is a block diagram of the working principle of the phase separation compensation method in the product series:

Solution configuration

Note: The maximum compensation capacity of 1200mmX600mm wide reactive power compensation cabinet: 400kvar; the number of installed machines: ≤10 units.

The maximum compensation capacity of 1000mmX600mm wide reactive power compensation cabinet: 320kvar; the number of installed machines: ≤8 sets.

Product wiring diagram

Send Inquiry

If you have any enquiry about quotation or cooperation,please feel free to email us at yidek@126.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

  • Subject:
  • *Name:
  • *Email:
  • Company Name:
  • Tel:
  • Fax:
  • Country:
  • Products:
  • Message:
Related Products