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IS200ERSCG1A GE Mark VI
| Place of Origin | USA |
|---|---|
| Brand Name | GE |
| Certification | Certificate of Origin |
| Model Number | IS200ERSCG1A |
| Document | GE Mark VI.pdf |
| Minimum Order Quantity | 1 pc |
| Price | $5300 |
| Packaging Details | Original box packaging |
| Delivery Time | 5-7 days |
| Payment Terms | T/T |
| Supply Ability | 1-99 pcs / 3-5 days |
Product Details
| Brand | GE | Module Numeber | IS200ERSCG1A |
|---|---|---|---|
| Catalog | Mark VI | Sales Price | $5300 |
| Condition | In Stock | Origin | USA |
| Lead Time | 3-5 Working Days | Warrenty | 1 Year |
| Weight | 1kg | ||
| Highlight | 250V DC Output ERSC Module,35A Continuous Current Exciter Regulator,PWM DC Output Static Converter |
||
Product Description
IS200ERSCG1A GE Mark VI
Product Overview
The IS200ERSCG1A is an Exciter Regulator Static Converter (ERSC) that functions as a Power Conversion Module within the system. It converts digital commands from the DSPX controller into the actual current that drives the generator's rotor magnetic field. If this board fails, the generator will not gradually "deteriorate," but will instead trip immediately due to a voltage transient.
It has two core tasks: First, it generates a high-precision DC output using pulse width modulation (PWM) to drive the exciter, enabling closed-loop regulation of the generator's terminal voltage and reactive power. Second, it performs field discharge through dedicated IGBT channels, safely diverting the rotor magnetic field energy to an external demagnetizing resistor during shutdown or in the event of a fault.
Product Details
| Brand Name | General Electric |
|---|---|
| Model | IS200ERSCG1A |
| Catalog | Mark VI |
| Gross Weight / Shipping Weight | 2.2 lbs / 35.2 oz / 1 kg |
| Packing Size | 16 cm x 16 cm x 12 cm |
| Country of Origin | USA |
| HS Code | 8537101190 |
| Lead Time | In Stock |
| Shipping Port | Xiamen |
| Payment | T/T |
| Sales Price | $5300 |
| Warranty | 12 months |
| Lead Time (Delivery) | 3–5 work days |
| Courier Partners | DHL, UPS, TNT, FedEx and EMS |
Key Features
- Core Functions: PWM DC output, IGBT field discharge, DC link capacitor discharge
- Power Devices: 6 sets of IGBT inverter modules (of which 1 set is dedicated to field discharge)
- Input Power: Rectified AC, station DC battery, or a combination of both
- Maximum Output Voltage: 250 V DC
- Continuous Output Current: 35 A DC
- Short-Term Output Current: 52.5 A DC (for 10 seconds)
- Continuous Power: Approximately 8.75 kW
- Regulation Response: <20 ms (excitation current response accuracy <±1%)
- Operating Modes: Simplex / 1:1 Redundant
- Cooling Method: Natural convection (fanless), aluminum substrate heat dissipation
- Supporting Boards: ERRR (redundant relay), ERDD (dynamic discharge), ERBP/ERRB (backplane)
Comparison of Similar Models
| Model | Positioning and Differences |
|---|---|
| IS200ERSCG1AAA | An upgraded/customized variant of the G1A; it shares the same power circuit as the G1A, featuring a six-IGBT architecture and 250 V/35 A output capability. Differences primarily lie in revision levels or specific configurations; when replacing this unit, verify the revision letter in the original system drawings. |
| IS200ERSCG2A | A redundant version of the ERSC series, designed for configurations requiring 1:1 hot redundancy. While the G1A itself supports redundant operation, the G2A may differ in terms of redundant coordination logic or interface definitions; selection should be based on the original system design's redundancy architecture. |
| IS200ERDD | Excitation regulator dynamic discharge board, which interfaces directly with the ERSC via the field discharge path. The ERDD focuses on discharge detection and feedback, while the ERSC executes the discharge action at the power stage; the two are complementary rather than interchangeable. |
| IS20OERRR | Excitation Regulator Redundant Relay Board, which works in conjunction with the ERSC to perform active/standby channel switching in a redundant configuration. The ERRR handles the switching logic and relay interfaces, while the ERSC serves as the power execution unit being switched. |
Application Case Example
In the EX2100 excitation system of a certain 9FA-class gas turbine combined-cycle power plant, the IS200ERSCG1A serves as the standard PCM configuration, providing excitation power output under conditions of frequent unit start-ups and shutdowns as well as load fluctuations. During gas turbine start-up and shutdown, the excitation current must rise and fall significantly within a short period of time.
With a response time in the 20-millisecond range, the ERSC's PWM output is able to follow the DSPX's control commands, maintaining stable generator terminal voltage during both grid connection and disconnection. In this scenario, the short-term overload capacity of 52.5 A for 10 seconds provides the necessary margin to handle switching transients.
Routine Maintenance Procedures
- Thermal management is the top priority.
- IGBT status monitoring.
- Field discharge circuit verification.
- Backplane and connector inspection.
- Spare parts must undergo functional verification before installation.
Frequently Asked Questions
Do the field discharge function of the ERSC and the demagnetization function of the EDEX overlap?
No, they do not overlap, but they work in tandem.
The board supports hot-swapping. Does this mean it can be replaced while the system is powered on in a single-channel system?
This is not recommended. The hot-swap capability is primarily designed to facilitate online maintenance in redundant configurations.
What is the warranty period for this module?
Typically, the warranty period for original products is 12 months.
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