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China Low Voltage Intelligent Reactive Power Compensation Cabinet - Leading Suppliers & Factory Solutions
Model and Definitions
Product Features
Inductive loads in the power grid (generators, chokes, transformers, induction heaters, welding machines, etc.) will produce varying degrees of hysteresis, the so-called inductance. Inductive loads have the characteristic that the direction of the current (such as the forward direction) can be maintained for a period of time when the voltage changes direction. Once this phase difference between current and voltage exists, reactive power will be generated and reflected. In AC grid (50/60Hz), the above process is repeated 50 or 60 times per second, so an obvious solution is to temporarily store and release the inductive power energy (reactive power) directly through capacitors, thereby reducing the reactive power exchange of the power grid.
- The compensation cabinet has strong universal performance. It can be combined with any cabinets at home and abroad, such as MNS, GCK, GGD etc;
- The capacitor compensation combination is diverse and flexible. Y Compensation method, △ Compensation method, and Y+△ Combined compensation method;
- Diversity of communication methods. RS-232/485 Communication interface, wireless data transmission module or GPRS Module implements long-distance communication;
- The control is accurate and safe. It implements voltage zero-crossing triggering, no surge current zero-crossing cutoff when it is put into operation, and no high voltage is generated when it is disconnected;
- Long service life, maintenance-free, service life of more than 100,000 hours.
Environmental conditions
Ambient Temperature
-5℃ ~ +40℃
Relative Humidity
No more than 90% (at 20℃)
Altitude Limit
No more than 2000m
- The surrounding medium has no explosion hazard, no gas that is sufficient to damage and corrode metal, no conductive dust, the installation site is not prone to severe vibration, and there is no rain or snow erosion.
Technical features
- Automatically compensate reactive power and improve power factor.
- Improve equipment efficiency and save investment.
- Reduce distribution line losses and transformer losses.
- Change voltage quality and improve power supply reliability.
Device Technology Overview
System Voltage
AC450V and below
Switching Time
t ≤ 20ms
Input Surge
< 25In
Rated Frequency
50Hz ± 5%
Sampling Current
0 ~ 5A
Power Consumption
≤ 15W
Sensitivity
100mA
Appearance and installation dimensions
Ordering Instructions
- 1. Main circuit diagram;
- 2. Compensation capacity and compensation method;
- 3. Any inconsistency with the normal Application Conditions of the product must be stated in advance.
Frequently Asked Questions (FAQ)
What is the main function of the compensation cabinet?
The compensation cabinet is designed to automatically compensate reactive power and improve the power factor in electrical systems. By using capacitors to temporarily store and release inductive power energy, it minimizes reactive power exchange, improves equipment efficiency, and reduces distribution line and transformer losses.
With which cabinet models is this compensation cabinet compatible?
It features highly universal performance and can be seamlessly combined with various standard cabinets used globally and domestically, including MNS, GCK, and GGD cabinet models.
What are the supported communication methods for remote monitoring?
The device supports diverse communication methods, including RS-232/485 communication interfaces, wireless data transmission modules, or GPRS modules to implement reliable long-distance communication.
What environmental conditions are required for installation?
The equipment operates within an ambient temperature range of -5℃ to +40℃, with relative humidity not exceeding 90% (at 20℃), and at altitudes below 2000m. The installation site should be free from explosion hazards, metal-corrosive gases, conductive dust, severe vibrations, and rain/snow erosion.
How does the cabinet ensure safe switching control?
It implements precise voltage zero-crossing triggering. This ensures that there is no surge current zero-crossing cutoff during operations, and prevents high voltage generation when the system is disconnected, ensuring a long, maintenance-free service life of over 100,000 hours.
What information should be provided when ordering this equipment?
Customers need to provide the main circuit diagram, specify the required compensation capacity and compensation method, and state any operating requirements that are inconsistent with the product's normal application conditions in advance.