GE’s finest operating voltage suggestions board

The DS200NATOG2A is a voltage suggestions board and is the best choice for the Mark V Speedtronic collection by Basic Electrical. This board holds referrals and validation from many businesses, as an illustration, the European Fee, Underwriter Laboratories, Cloud Safety Alliance, and so forth. This board is also referred to as an attenuator.

Upon correct set up, this voltage suggestions board can scale back the Alternating and Direct present voltages from the Silicon Controller Rectifier Bridge and different amenities. Subsequently, it produces correct voltage suggestions studying from the SCR Bridge.

However what’s an SCR Bridge? How does it have an effect on the AC drive? Let’s have a evaluate to additional grasp the concept of how they’re important for our DS200NATOG2A attenuator board.

Silicon Controller Rectifier Bridge

The SCR Bridge regulates the voltage load on the motor and mediates it as per the requirement in the mean time. An SCR additionally makes positive that the present’s move is unidirectional and the backflow from the opposite path is blocked.

Alternating Present Drive

The AC drive regulates the electrical motor’s pace. Subsequently, it’s important to additional improve the method management. It additionally regulates vitality consumption and reduces vitality consumption whereas growing vitality manufacturing. Furthermore, it additionally helps scale back the mechanical pressure on motor management.

Mark V Speedtronic Sequence

The DS200NATOG2A voltage suggestions board is crucial for the Mark V Speedtronic DS200 collection. This collection majorly offers with the Electro-Hydraulic Management system. Nevertheless, it’s best recognized for the gasoline and steam turbine management programs.

Mark V collection Management Configuration

The Mark V collection works on a triple modular redundant management system. Subsequently, this collection can deal with medium to bigger steam generators except they work on redundant operator interfaces.

There are three comparable controllers in Mark V’s core system. The core system’s controllers are liable for some essential duties of the turbine system. Their duties embody vital management algorithms, protecting capabilities, sequencing, and so forth. Furthermore, these controllers additionally assist purchase the information to provide vital outputs from the turbine. Moreover, a P module can be current with its triple redundant processors. These processors have separate capabilities which can be equally vital. For instance, they management the rotors from overspeeding or overheating the system.


An alphanumeric part quantity etched on a printed circuit board identifies it. For instance, the DS200NATOG2A D B is labelled with the half quantity: DS200DCFBG#ruu.
The DS200PCCA half is the bottom quantity for the printed wiring board. The Energy Provide Board on this state of affairs. The r digit denotes a purposeful change that’s incompatible with downward compatibility. It’s only a new catalogue quantity. U digits signify downwardly appropriate revision ranges.
The G# denotes a gaggle, which is a variant of a sure board.

DS200NATOG2A Parts Interplay

The DS200NATOG2A is an integral a part of the Mark V collection. Subsequently, it’s in touch with quite a few elements. Let’s evaluate these elements and their reference to the board.

 VME Backplane

The VME backplane is a pc customary bus interface. It stands for Versa Europe bus. It’s based mostly on designs from the earlier Eurocard that was once imported from Europe. Moreover, the board interfaces with the standing board to make sure gate distribution.

 AC Phases’ Strings

There are three Alternating Present phases, all of that are individually related to a precision resistor. Two of those strings attain the constructive and detrimental Direct Present bus voltage.

It is determined by the Operator on what configuration he desires to provide voltage inputs. They are often 1200, 2200, 3300, 4200, and 6900-volt enter.

Inbuilt Steel Oxide Varistor

Electrical resistance varies with the voltage utilized. Nevertheless, a varistor aids this electrical resistance. 5 alternating present phases’ strings hook up with a 20-pin ribbon header. If in case the output voltage will increase over the utmost degree, a built-in steel oxide varistor assists in overthrowing any potential spikes.

Figuring out a DS200NATOG2A Board

Most boards by Basic Electrical have particular alphanumeric code that helps determine them. This code is usually engraved or printed on the facet of the board. Though the code may look random at first sight, the letters and numbers are there for a motive. As an example, within the code DS200NATOG2A, the DS200 signifies the DS200 Mark V collection that it belongs to.

Moreover, particular digits in these codes present no downward movement compatibility accompanied by a purposeful change. One other instance is the G2A of DS200NATOG2A. The G2A signifies the board’s variation as this board can be current in G1A and G3A.

Dealing with Warning

The DS200NATOG2A is a fragile piece of know-how. Improper dealing with could make it a hazardous object and will trigger electrical shock and even extreme burns. By no means contact the board or take any measures if the board is related to an influence supply. The SCR potential offers it 1000’s of voltages above the bottom, making it a probably deadly machine if dealt with carelessly.

Guide Tips

It’s at all times finest to seek the advice of a handbook earlier than getting all the way down to brass tacks with {an electrical} machine. For the DS200NATOG2A, the handbook of alternative will probably be GEI-100225. It incorporates all the fundamental directions you might require for Mark V DS200 boards. Moreover, it additionally incorporates check factors for all GE’s NATO boards. This attenuator is described as a base-level board, though it’s doable to improve it and amp up its compatibility and proficiency by additional improvements.

A Piece of Recommendation For Mark V Sequence Customers.

Mark V collection was launched within the Nineteen Eighties. It has had a future with steam and gasoline generators and has offered great vitality to energy our houses and home equipment. Nevertheless, it’s best to care for just a few issues attributable to newer fashions because the Mark V specimen is getting scarce with time.

Firstly, to keep away from any mishap or destruction of a part, seek the advice of a handbook earlier than attending to it by yourself. Then, it’s at all times a good suggestion to inventory a few spare elements that run out after some time. It’s as a result of the manufacturing of Mark V elements has stopped, So it’d develop into a problem to search out boards just like the DS200NATOG2A within the open market. Be certain to stash at the least two card panels to maintain your operations operating with out disruption.


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