3BHE014340R2059 | ABB | Excitation controller | 3BHE014340R2059-Shanxi Runsheng

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3BHE014340R2059 | ABB | Excitation controller | 3BHE014340R2059

The working principle of this excitation controller involves three main parts: sensors, controller, and excitation system. The sensor detects the output voltage and current of the generator and converts them into electrical signals to be sent to the controller. The controller calculates the required excitation current based on the preset parameters and set control strategy, and sends it to the excitation system. The excitation system converts the low-voltage signal into direct current through the excitation transformer and excitation power supply based on the signal sent by the controller, and provides it to the excitation coil of the generator.

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Description

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　　3BHE014340R2059 Other names:

　　Excitation processor 3BHE014340R2059

　　3BHE014340R2059 excitation system spare parts

　　Excitation input/output module 3BHE014340R2059

　　3BHE014340R2059 excitation editable controller

　　3BHE014340R2059 excitation controller is a device used to control the excitation system of a generator, mainly used to regulate the magnetic field strength of the generator, thereby controlling the output voltage and current. It has precise voltage and power factor control functions, which can maintain the stability of the generator output voltage and control the power factor of the generator. At the same time, it usually has fast response capability and can quickly adjust the excitation current to cope with sudden changes in the power system.

　　Detailed information of 3BHE014340R2059 excitation controller:

　　Definition and Function

　　3BHE014340R2059 excitation controller is a control device that affects the output voltage and current of the generator by adjusting the excitation current of the generator. It mainly consists of two main parts: excitation power unit and excitation regulator. The excitation power unit is responsible for providing excitation current to the rotor of the synchronous generator, while the excitation regulator controls the output of the excitation power unit based on the input signal and given regulation criteria.

　　Main features:

　　High performance: Adopting advanced control algorithms and hardware design, it can achieve fast and accurate excitation control, and improve the operational performance of the motor.

　　High reliability: With high anti-interference ability and stability, it can ensure long-term stable operation and reduce failure rate.

　　Easy to maintain: With self diagnostic and fault indication functions, it is convenient for maintenance and troubleshooting.

　　Multiple interfaces: Supports multiple communication interfaces and protocols, facilitating communication and control with other devices.

　　The 3BHE014340R2059 excitation controller has various characteristics, including the ability to automatically calculate the required excitation current based on preset parameters and control strategies, achieve fast and accurate adjustment of the generator output voltage and current through feedback mechanisms, and have a protection mechanism to ensure the safe operation of the generator and excitation system. In addition, the excitation controller can also improve the stability and reliability of the power system, reducing the possibility of faults occurring.

　 Working principle

　　The working principle of 3BHE014340R2059 excitation controller involves three main parts: sensor, controller, and excitation system. The sensor detects the output voltage and current of the generator and converts them into electrical signals to be sent to the controller. The controller calculates the required excitation current based on the preset parameters and set control strategy, and sends it to the excitation system. The excitation system converts the low-voltage signal into direct current through the excitation transformer and excitation power supply based on the signal sent by the controller, and provides it to the excitation coil of the generator. In this way, the excitation coil of the generator can generate a constant magnetic field, thereby regulating the output voltage and current of the generator.

　　The working principle of 3BHE014340R2059 excitation controller mainly includes the following aspects:

　　Excitation device main circuit: It completes two major functions of rectification and demagnetization, and adopts a three-phase fully controlled bridge thyristor rectification circuit to provide DC excitation current to the rotor winding of the synchronous motor.

　　Deexcitation circuit: composed of thyristors and diodes in reverse parallel, it completes the series connection of starting resistors during asynchronous starting of synchronous motors. After starting, it automatically cuts off to ensure that the rotor excitation winding of synchronous motors is neither open nor short circuited during asynchronous starting.

　　System control part: including PLC, touch screen, and microcomputer excitation controller. PLC is responsible for logic control, PI adjustment, and external communication. The touch screen is used for system parameter setting and fault information inquiry. The microcomputer excitation controller completes tasks such as frequency measurement, pulse formation, and fault detection.

　　The control part includes PLC, touch screen, and KGLF-2 microcomputer excitation controller. PLC mainly completes tasks such as logic control, PI regulation, and external communication; The touch screen is used for system parameter settings and information queries such as faults and working hours; The KGLF-2 excitation controller mainly completes functions such as frequency measurement, excitation, pulse formation, fault detection and processing.

　　Components:

　　The 3BHE014340R2059 excitation controller mainly consists of the following parts:

　　Excitation Magnet (TP): It is one of the main components of ABB excitation controller, and its function is to convert excitation voltage into AC voltage output.

　　AC contactor (FP): responsible for heating the direct current generated by the ABB main controller through the excitation coil to below the required operating temperature and releasing it.

　　AC Driver (DP): Used to drive motors and other equipment in the excitation system.

　　Excitation Control System (TS): including system control section and excitation device control section, responsible for the control and regulation of the entire excitation system.

　　Fault handling suggestions:

　　When encountering controller malfunctions, the following steps can be followed for inspection and handling:

　　Check if the connection wire between the controller and the motor is loose or open, and ensure that the connection is normal.

　　Check if the controller power supply is normal. If the power supply is abnormal, check the power circuit and power equipment.

　　Check if the controller parameters are set correctly, including excitation current, excitation voltage, and other parameters. If the parameters are not set correctly, it is necessary to reset the correct parameters.

　　Check the software version of the controller. If the software version of the controller is too old, it may cause unstable control performance or malfunctions. It is necessary to upgrade to the latest version.

　　If the above steps cannot solve the problem, it may be an internal hardware failure of the controller, and professional maintenance personnel need to be contacted for maintenance and repair.

　　The 3BHE014340R2059 excitation controller is typically used in conjunction with ABB's excitation system to provide a complete excitation solution. These systems include components such as excitation transformers and excitation power supplies, which can provide stable and reliable excitation current to the excitation winding of the generator.

　　Function and function:

　　Convert the excitation voltage into AC voltage output to provide DC excitation current for the rotor winding of the synchronous motor.

　　Monitor and control the operational status of the excitation system, promptly identify and resolve potential issues.

　　Flexibly adjust the excitation current according to the actual needs of the power system, ensuring the safety of operating equipment and ensuring the stable operation of the power system

　　Application field

　　The 3BHE014340R2059 excitation controller is widely used in multiple fields, including electric power generation, industrial power systems, ship power systems, and transportation and infrastructure. In the power generation system, the excitation controller is mainly used to ensure that the voltage and frequency provided by the generator are maintained at a stable level; In the industrial power system, it is used to ensure the power quality and stability of large industrial equipment and factories; In the ship's power system, it is used to ensure the reliability and stability of the ship's power system; In transportation and infrastructure, it is used to ensure stable power supply for equipment such as traffic lights and tunnel lighting. Through continuous feedback and adjustment, the excitation controller can stabilize the output voltage and current of the generator within the preset range to meet different working requirements.

　　Application cases

　　The 3BHE014340R2059 excitation controller has a wide range of applications in the power system, which can improve the operational efficiency of the power system and ensure the safe and stable operation of the power system.

　　In summary, 3BHE014340R2059 excitation controller is an indispensable and important equipment in the power system. Through real-time monitoring and control of the operating status of the excitation system, it ensures the stable operation of the power system and improves operational efficiency.

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