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The high-voltage solid-state soft starter cabinet adopts advanced control technologies such as series and parallel connection of thyristor valve components, computer technology, electromagnetic compatibility technology, information processing technology, etc. By changing the conduction angle of the thyristor, it controls the smooth rise of the motor voltage and contactless switching, achieving smooth starting of the motor. The working principle is shown in the following figure. The high-voltage solid-state soft starter cabinet reduces the harmful impact on the power grid and equipment during the starting of large motors, and avoids damage to equipment caused by sudden stopping during soft stopping.
Why use high-quality high-voltage solid-state soft starter cabinets? What are its benefits?
1. To avoid voltage fluctuations in the power grid caused by direct starting of the motor, and to ensure the continuity of operation and production of other equipment in the same power grid. When using a high-voltage solid-state soft starter cabinet, the starting current is generally controlled at 1.5-3 times the rated current, and the voltage fluctuation rate of the power grid is generally within 10%, with very little impact on other equipment.
2. After adopting soft start, the electric power reduces the starting current of the motor, and the corresponding current generates a large impact force on the stator coil and rotor squirrel cage bar of the motor, which also reduces the risk of clamping looseness, coil deformation, and squirrel cage bar breakage. During soft start, due to the large current and small current, the impact force is greatly reduced
3. Avoid damaging the insulation of the motor and extend its lifespan. If the motor is started directly
a、 The heat generated by high current repeatedly acts on the outer insulation of the wire, accelerating insulation aging and reducing its lifespan
b、 The mechanical force generated by high current causes wires to rub against each other, reducing insulation life. Welcome to purchase the ADGR series high-voltage solid-state soft starter cabinet from Aodong Electric
c、 The shaking phenomenon of the contacts when the high-voltage switch is closed can cause operational overvoltage on the motor stator winding, sometimes reaching more than 5 times the applied voltage. In this way, high overvoltage can cause significant damage to the motor insulation.
Performance characteristics of high-voltage solid-state soft starter cabinet:
1. All adopt high-quality high-voltage power thyristors, modular structure, modular design, simple and elegant appearance, easy to install, maintain and repair.
2. Suitable for a wide range of motors and power, it can be matched with motors up to 3KV-10KV/20000KW. 3. It uses a 32-bit ARM core microcontroller to perform central control, making equipment control real-time, display intuitively, highly reliable, and stable.
4. The high-voltage thyristor soft start cabinet has 6 soft start functions and 4 soft stop modes, which can be selected according to different working conditions and have direct start function. Even in the event of a malfunction during the maintenance process, the motor can still be started directly to maximize its operating time.
5. The protection function is complete, with multiple protection mechanisms such as overcurrent/current limiting, overvoltage/undervoltage, leakage, multiple overvoltage absorption, and protection technology, which comprehensively protect the normal operation of the high-voltage solid-state soft starter cabinet.
6. By using highly anti-interference digital triggers and fiber optic isolation technology, the high and low voltage of the device can be reliably isolated with good anti-interference performance. Chinese/English LCD display system, user-friendly interface.
7. The product has a small size, with a general power volume of 1000 * 1500 * 230mm, which is basically the same as the KYN cabinet type. It is beautiful and easy to merge with the KYN switchgear. Welcome to purchase the ADGR series high-voltage solid-state soft starter cabinet from Aodong Electric
8. Convenient and efficient communication interface: Equipped with RS-485 communication interface, it can communicate with the upper computer or centralized control center.
9. The ADGR series high-voltage thyristor soft starter cabinet can achieve one to many, which has a high possibility of reducing production costs.
10. The high-voltage solid-state soft starter cabinet has strong adaptability to the environment and can adapt to cold and high-altitude environments.
11. It can be started multiple times frequently to meet the requirements of the working conditions to the greatest extent.
Ordering Instructions:
1. When placing an order, the user must provide the motor power, stator voltage, current, and operating conditions of the dragging load;
2. If users have special requirements for cabinet appearance, color, etc., please inform us when placing an order, and we will provide comprehensive services.
3. If there are special requirements, they can be designed separately and can be matched with our company's high-voltage switchgear and high-voltage capacitor compensation cabinet;
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