10kV indoor frame type reactive power compensation device

product model

Overview

HZS-BKTBB high-voltage indoor frame type reactive power compensation device is mainly used for capacitive reactive power compensation in power frequency 10kv power system to adjust and balance the grid voltage, improve power factor, and reduce the loss of power supply transformers and transmission lines , Improve power quality, give full play to the production efficiency of power generation, power supply equipment and electrical equipment, suitable for reactive power compensation in 10kv, 35kv and other substations.

The HZS-BKTBB high-voltage indoor frame type reactive power compensation device is mainly used for capacitive reactive power compensation and inductive reactive power compensation for power frequency 10kV (6kV) power systems to adjust and balance the grid voltage, improve power factor, and reduce Line loss, improve power quality, and give full play to the production efficiency of power generation and power supply equipment. It is also an effective 10kv reactive power compensation device.

HZS-BKTBB high-voltage indoor frame type reactive power compensation device is used outdoors, mainly including: isolation grounding switch, high-voltage shunt capacitor, air core reactor, capacitor special fuse, discharge device (special discharge coil or voltage transformer), It is composed of gapless oxide surge arrester, live display device, relay protection device, connecting wire, pillar insulator, frame, etc.

Structural features

1. Installed indoors, frame structure, fixed switching.

2. The capacitor compensation device can be switched directly in the substation.

3. HZS-TBB type indoor frame type reactive power compensation device is composed of series air-core reactor, incoming line frame and capacitor. Air-core reactor is generally three-phase stacked or three-phase product font installation; incoming line frame includes high voltage Isolation switches, discharge coils and arresters; capacitor racks are generally arranged in two layers and one row, and the capacity is large in two rows and two layers; the incoming rack and the capacitor rack are placed side by side with the same height and width, and each capacitor is equipped with an external fuse; The periphery needs to be enclosed by a net fence of not less than 2 meters, and the fence door is equipped with a trap door to facilitate inspection and maintenance.

4. The device has a reasonable structure design and good dynamic and thermal stability. The charged display device is used to display the switching status of the device, and has an electromagnetic lock, cabinet door switch, and observation window. It has a forced lock function to ensure the safety of operation and maintenance personnel.

5. The isolating and grounding switch is equipped with an electromagnetic lock to ensure that the isolating switch cannot be operated when the device is electrified; the isolating and grounding switch can be in a grounded state during the maintenance of the capacitor bank to ensure the safety of the maintenance personnel.

Performance characteristics

1. The device allows long-term operation at 1.1 times the rated voltage of the power frequency.

2. The device allows continuous operation under steady-state overcurrent of 1.3 times the rated current caused by overvoltage and higher harmonics.

3. The device can limit the inrush current generated at the moment the capacitor is put into operation to less than 20 times the rated current of the capacitor bank.

4. According to the situation of the power distribution system, reactors with different reactance rates can be configured to suppress harmonics and closing inrush current.

5. The high-voltage power capacitor adopting advanced technology and full-film dielectric has the characteristics of long life, low loss, low operating temperature rise, etc., and also has the characteristics of high discharge starting voltage and good sealing performance.

6. It has a perfect capacitor protection function. The short circuit protection of a single capacitor adopts high-voltage spray-type fuse; and according to the different wiring methods, the capacitor bank is equipped with relay protection such as open delta unbalanced voltage and neutral unbalanced current.

7. The difference between the measured total capacity of the capacitor and the sum of the rated value of each capacitor does not exceed +10%--0, and the deviation of the capacitance of each phase does not exceed 5%.

Use environment

1. Ambient temperature: -25℃～＋45℃, the average temperature within 24 hours does not exceed +35℃

2. Altitude: not more than 2,000 meters, higher than 2,000 meters, using high prototype products.

3. Humidity: The daily average value is not more than 95%, and the monthly average value is not more than 90%.

4. Outdoor wind speed ≤35m/s, earthquake resistance: no more than 8 degrees of earthquake intensity.

5. Installation site: Dangerous media are not allowed in the place of use, and the surrounding environment should not contain gases and conductive media that corrode metals and destroy insulation, and it is not allowed to be filled with water vapor and have serious molds.

technical parameter

1. Rated voltage level: 6, 10kv.

2. Rated frequency: 50-60Hz.

3. Rated capacity: 1000--15000kvar.