Description

The IS200EPSMG1AED of GE Mark VIe is an excitation power supply module and belongs to the EX2100 excitation control series. The following is its relevant information:

Function and role: It is a key part of the GE Mark VI series gas/steam turbine control system. Its main function is to convert 125 VDC from the power distribution module (PDM) into various voltages required by the control system, such as + 5 VDC, ±15 VDC and + 24 VDC, etc. Provide stable power supply for different components in the system.

Technical Specification
Input voltage: Typically 208-240 VAC, 50-60 Hz
Output voltages: + 5VDC, + 15VDC, + 24VDC,
Output current: 27-33 VDC
Efficiency: Generally, it can reach around 90%.
Operating temperature: -40℃ to 85℃.

Hardware design: The front panel features seven LED lights, marked as P5, P15, N15, P24A, P24B, N24B and P70 respectively, which are used to indicate different voltage states and other information. There are multiple large components on the board, including a transformer in a frame, a large inductor marked as Bicron B9309 0912, a smaller inductor coil (L2), and five transistors equipped with heat sinks. As well as multiple electrolytic capacitors, metal film and carbon composite resistors, nine fuses, integrated circuits, TP test points and two backplane connectors.

Application scenarios: The IS200EPSMG1AED is mainly applied in the excitation system of power systems, including thermal power generation, hydropower generation, nuclear power and other fields. By providing precise excitation current to the excitation winding of the generator, it controls the output voltage and power of the generator, ensuring its stable operation. It is also applicable to the related equipment using the GE Mark VIe control system in industries such as oil and gas, chemical engineering, papermaking, and mining.

Features and advantages: The IS200EPSMG1AED adopts industrial-grade components, featuring high reliability and stability, and is suitable for harsh industrial environments. It has high-precision voltage and current control functions, with a fast response speed and the ability to quickly adjust the excitation current to adapt to changes in the power grid. It also features multiple protection functions such as overvoltage, overcurrent and short circuit, ensuring the safe operation of the system. Moreover, it can be flexibly configured according to different generator and system requirements.