GE DS200GDPAG1A DS200GDPAG1AKF Power Supply Board

The GE DS200GDPAG1A DS200GDPAG1AKF generates high-frequency power for gate drive circuits. This board supplies isolated DC power to IGBT firing boards throughout the Mark V drive. Therefore, it enables precise switching control for large motor drives.

Product Overview

We built this power supply board with a resonant converter topology for low noise. Its high switching frequency reduces transformer size and weight significantly. Moreover, this unit provides six isolated outputs for multiple gate drivers.

Technical Specifications

Parameter	Specification
Dimensions	24.1 cm (length) x 13.3 cm (width)
Weight	0.58 kg (approximately 1.28 lb)
Interface Type	Single 40-pin backplane plus six output connectors
Component Count	134 components including MOSFETs and planar transformer
Energy Storage	2 bulk capacitors (470 µF, 200V) plus 12 ceramic
Switching Frequency	100 kHz fixed internal oscillator
Input Voltage	125V DC or 250V DC field-selectable
Output Channels	6 isolated DC outputs at 24V, 0.8A each
Isolation Voltage	2500V RMS between primary and each output
Efficiency	88% typical at full load
Output Ripple	100 mV peak-to-peak maximum

Resonant Converter Design

The GE DS200GDPAG1A DS200GDPAG1AKF uses zero-voltage switching for low electromagnetic interference. Its two bulk capacitors store input energy for the resonant tank circuit. Additionally, a planar transformer provides excellent coupling between windings. You get clean output power with minimal radiated noise.

Energy Storage Components

Two large bulk capacitors filter the incoming DC bus voltage. They also provide energy for the resonant tank during each switching cycle. Twelve ceramic capacitors serve as local decoupling for each output channel. These capacitors reduce high-frequency noise on the isolated outputs. Clean power ensures reliable IGBT gate operation without false triggering.

Output Isolation Features

Each of the six outputs uses a separate secondary winding. The planar transformer provides 2500V RMS isolation between channels. This isolation allows driving IGBTs at different DC bus potentials. You can connect outputs to devices at voltages up to 1500V DC. Therefore, one board serves all gate drives in a three-phase inverter leg.

Installation Procedure

Insert this board into a Mark V slot with a 40-pin backplane connector. Align the GE DS200GDPAG1A DS200GDPAG1AKF with its card guides. Push firmly until the ejector tabs lock into the closed position. Then secure the board with its two retaining screws. Connect each gate driver board to its assigned output connector.

Voltage Selection

Set the input voltage jumper before installing the board in the rack. Position J1 selects 125V DC operation for smaller drive systems. Position J2 selects 250V DC operation for higher power applications. Verify the jumper setting matches your cabinet DC bus voltage. Incorrect selection will damage the board permanently.

Load Requirements

Each output channel can deliver up to 0.8A continuously. The board can supply 0.5A on all six channels simultaneously. For higher currents, parallel two outputs with a common return. Do not exceed 1.6A total load on any two combined outputs. The GE DS200GDPAG1A DS200GDPAG1AKF shuts down during overload conditions.

Typical Applications

This high frequency board supplies gate drive power for IGBT modules. It also powers isolated current sensors inside the drive cabinet. Many industrial drives use the GE DS200GDPAG1A DS200GDPAG1AKF for reliable operation. Its resonant design suits high-noise environments near welding equipment.