中文版
Description
Model Number DS200FGPAG1A
Common Revisions DS200FGPAG1AMD, DS200FGPAG1AKD,
DS200FGPAG1AHD, DS200FGPAG1AFC
Series LS2100
OEM / Manufacturer GE Energy
Part Specific Manual GEI-100223
Number of Test Points 30, Nine for Gate A, Nine for Gate B,
and 12 for Cell Status Monitors
Twelve-Pulse Convertor Supply Voltage 2080 or 3300 VAC
Compatibility Not Backwards Compatible
Number of Gate Driver Circuits Two
Quantity of Fiber-Optic Connectors 15, One Fiber-Optic
Transmitter, and Fourteen Fiber-Optic Receivers
Frequently Asked Questions about DS200FGPAG1A
What is the DS200FGPAG1A?
The DS200FGPAG1A is a Gate Pulse Amplifier Card that provides gate power
for one phase of the SCR bridge, monitors SCR status, and converts AC power to DC.
Where can the manual for the DS200FGPAG1A be found?
The instruction manual for the DS200FGPAG1A is GEI-100223 and is available
There are three main functions on the DS200FGPAG1A board. What are they and what do they do?
The three main functions are switching the power supply, gate driver, and SCR status monitoring. The purpose
of the power supply switching function is to convert the received AC voltages into the required DC voltages needed
for gating and status functions. The purpose of the SCR status monitoring is to accumulate cell voltage information
from the attached FHVAs and relay the information via an optical serial data link to the LCI controller. The gate driver is
used to supply any gate power for one phase of an SCR bridge. More information regarding these functions can be
found on the front page of the GEI-100223 Gate Pulse Amplifier User’s Guide.
There are thirty test points on the DS200FGPAG1A board between Gate A, Gate B, and the test points for Cell
Status Monitoring. What are the descriptions for the test points in Gate A?
There are nine test points in Gate A, and many of them have individual descriptions with different nomenclatures, some are as follows: TP101, nomenclature 1PUSH1, description Logic 1= command to start to push cycle; TP105, nomenclature VLINKA, description primary voltage; and TP110, nomenclature 0RELA, description Logic 0 = release gate inhabits.
What is the acceptable power input for the Gate Pulse Amplifier Board?
The FGPA will accept a power input of 120 Vrms Ù 20%, 50/60 Hz, approximately 350 VA maximum. There are four different points on the FGPA model than can accept voltages which are as follows, P15 while not monitored will typically accept a power supply of 13.5-14.5 VDC, P5 accepts voltages between 4.7-5.1 VDC, P90 accepts greater than or equal to 81 VDC, and P40 will accept greater than or equal to 25 VDC.
What sources supply gate currents to the push-pull circuit on the FGPA board?
There are two different sources, those being the gate pedestal and the gate backporch.
Product Description
Gate Pulse Amplifier Board DS200FGPAG1A is from the LS2100 Series produced by General Electric Industrial Systems. This board has three primary yet basic functions to be used with the LCI (Load Commutated Inverter), these functions are SCR status monitoring, gate driver, and switching power supply. There are also three FGPA’s which are each for every three-phase silicon-controlled rectifier bridge. The power supply voltage on the DS200FGPAG1A should read at an input of 120 VRMs, and the approximate maximum voltage should read at 350 VA.
The SCR status monitoring of the DS200FGPAG1A is used to accumulate cell voltage information, this can be done with up to twelve FHVA devices. Once the voltages have been accumulated they will be sent through an optical data link back to the Load Commutated Inverter device. There are Status circuits within the FGPA model that are used to collect the voltage status that has come from the SCRs, since the polarity from the circuit is not specified the SCR could potentially be blocking the reverse or forward voltages.
In our experience the DS200FGPAG1A Amplifier Board has a low failure rate and, in the event it does become defective, generally it is due to capacitor decay from a board left on the shelf for an extended period of time. While there are numerous revisions of the DS200FGPAG1A available, the backward compatibility makes sourcing a replacement much easier than if it required a rev specific replacement. Overall, the DS200FGPAG1A is well designed and installation can be handled by a moderately skilled automation technician
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