Engine GovernorsEngine Governors

2Learning Outcomes

Basic Operation. Specifications & Features. Testing & Adjusting.

3Basic Operation

Speed Band. Speed Regulation. Transient Response.

4Basic Operation Speed Band

5Basic Operation Speed Regulation

Speed Droop

Isochronous

0% 100%Genset Loading (kW)

S

p

e

e

d

(

R

P

M

)

1800 RPM

1854 RPM

6Basic Operation Transient Response

7Basic Operation

Speed Band. Speed Regulation. Transient Response.

8Specifications & Features

Hydro-mechanical Governors. Electromechanical Governors. Electronic Governors

9Specifications & Features Hydra-Mechanical

Speed Sensing: Mechanical.

Speed Adjustment: Vernier and Positive Lock Control.

Droop Range: 2 15%.

10

Specifications & Features Electromechanical

Speed Sensing: Electrical.

Speed Adjustment: Potentiometer.

Supply voltage: 12 30VDC.

11

Specifications & Features Electronic

Speed Sensing: Electrical.

Speed Adjustment: PWM Signal.

Supply voltage: 12 30VDC.

12

Specifications & Features Electronic

Diagnostic Capability. Communication

Protocols.

13

Specification & Features

Lets do Activity 01 Part A.

14

Specifications & Features

Hydra-mechanical Governors. Electromechanical Governors. Electronic Governors.

15

Testing & Adjusting

Static Adjustments. Dynamic Adjustments.

16

Testing & Adjusting - Static Adjustments

Start Fuel Limit. Actuator Compensation. Idle / Rated Speed.

17

Testing & Adjusting - Dynamic Checks

Speed Signal. Actuator Throttle Position. Idle / Rated Speed. Stability (PID).

18

Testing & Adjusting

Lets do Activity 01 Part B / C.

19

Testing & Adjusting

Static Checks. Dynamic Checks.

20

Summary

Basic Operation. Specifications & Features. Testing & Adjusting.