Professional Generator Supplier
Performance Standard For Governors On Engine Generator set

Sep

25 2024

PERFORMANCE STANDARD FOR GOVERNORS ON ENGINE GENERATOR SETS


1. SCOPE

 

This standard covers mechanical, hydraulic and electric governors used for controlling speed and/or

loading of engine-driven generator systems. The system may involve a single unit or multiple units

operating in parallel. It may serve as a prime or emergency standby power source. Operation may or may

not be in conjunction with an external power bus.

 

2. REFERENCE STANDARDS.0 REFERENCE STANDARDS

MIL.-STD.-705 B

Frequency and voltage regulation, stability and transient

response tests.

IEEE 100—1988

Standard Dictionary of Electrical and Electronic terms.

EGSA-101E—1984

Glossary of Standard Industry Terminology and

Definitions, Electrical.

EGSA-101M—1984

Glossary of Standard Industry Terminology and

Definitions, Mechanical.

EGSA-100M—1992

Performance Standard for Multiple Engine Generator Set

Control Systems.

 

3. DEFINITIONS.0 DEFINITIONS

 

3.1 Speed Governing System.

 

A speed governing system consists of a speed governor and fuel metering device which controls

the fuel supply to the engine. The speed governing system senses speed and perhaps load, and

meters the engine fuel supply such that speed tends to remain constant or to vary with load in a predetermined manner.

 

3.1.1 Speed Governor. The speed governor includes those elements which are directly

responsive to speed and/or load and which position or influence the action of a fuel

metering device to maintain the operating speed. When operating in parallel with an

independent power source such as the utility company, the governor will act to regulate

load.

3.1.2 Fuel Metering Device. A fuel metering device is an element directly or indirectly

positioned by the speed governor; e.g., variable displacement pumps, fuel metering pumps,

carburetors and other devices that meter fuel into the combustion system.

3.1.2 Fuel Metering Device. A fuel metering device is an element directly or indirectly

positioned by the speed governor; e.g., variable displacement pumps, fuel metering pumps,

carburetors and other devices that meter fuel into the combustion system.

 


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