SVC Reactive Power Compensation

The magnetic controlled reactor type high-voltage static reactive power compensation device  is suitable for installation in systems with frequent changes in reactive load, such as wind power, photovoltaic power stations, arc furnaces, rolling mills, mine hoists, electric locomotives, and other high-voltage systems. The product has the characteristics of high reliability, fast response speed, continuous stepless adjustment, small footprint, and maintenance free. It is an ideal dynamic reactive power compensation equipment for industries such as power systems, electrified railways, metallurgy, mining, and new energy.

The MCR type SVC device mainly consists of FC filtering (or fixed) capacitor branches, MCR magnetic controlled reactors (including MCR body and excitation system), automatic control and protection systems, etc. The FC branch is used to provide the required capacitive reactive power for the system, and can also be designed as multiple passive filters to achieve harmonic control. MCR magnetic controlled reactors are used to balance the excess capacitive reactive power generated by load fluctuations in a system and stabilize voltage fluctuations caused by load surges. The control and protection system is responsible for providing instructions for the reactive power control of the entire system and providing corresponding protection for the entire device.

1. DLT 1010-2006 High voltage static reactive power compensation device

2. GBT 20297-2006 Static Var Compensation Device (SVC) Field Test

3. GBT 20298-2006 Functional Characteristics of Static Var Compensation Device (SVC)

4. GB 10229-1988 Reactors

5. GB 50227-2008 Design Specification for Parallel Capacitor Devices

6. GBT 14549-1993 Power Quality Shared Grid Norbo

7. DLTT 672-1999 Technical Conditions for Ordering Voltage and Reactive Power Regulating Control Devices in Substation Note: All electrical components of this device comply with relevant standard requirements

1. Indoor and outdoor use;

2. The altitude generally does not exceed 1000m;

3. Environmental temperature: -30 * C~+50 ° C;

4. Phase network humidity: The daily average value does not exceed 95%, and the monthly average value does not exceed 90%;

5. Installation site: No severe mechanical vibration, no harmful gases and vapors, no conductive or explosive dust;

6. Anti pollution ability: The external insulation creepage distance shall not be less than 25mmKV (relative to the highest operating voltage of the system);

7. Earthquake: Intensity does not exceed 8 degrees;

8. Wind speed: ≤ 35ms. Note: Products with high altitude, anti pollution ability, and special environmental conditions will be separately agreed upon

1. Rated voltage of the system: 6kV, 10kV, 20kV, 35kV

2. Maximum capacity of MCR branch: 50000kvar

3. MCR adjustment range: 1%~100%

4. FC branch maximum capacity: 100000 kvar

5. Response time: 80-300ms

1. Fast tracking of reactive power regulation, using a "magnetic valve" controllable saturation reactor (MCR), self coupling DC excitation and limit magnetic saturation working mode, greatly reducing harmonics, and having the characteristics of low active power loss and fast response speed.

2. The use of optical isolation phase shift triggering technology and fiber optic transmission phase shift triggering has improved the insulation level of the system, enhanced the anti-interference ability of the device, and reduced the volume of the equipment.

3. The control element is a low-voltage thyristor, which does not need to withstand high voltage and large current during operation, is safe and reliable, has low heat generation, and can be naturally cooled without the need for auxiliary cooling equipment.

4. Flexible installation method, suitable for both outdoor and indoor installation. Small footprint, high reliability, maintenance free, and long service life.

5. Adopts multi CPU parallel processing technology, with a high degree of automation, which can achieve complete control and protection functions for MCR and FC branches, online monitoring of switches, harmonic measurement and control, as well as various data transmission and "four remote" functions. Easy to operate, user-friendly and convenient.

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