H899/H898 - DEGO II and III Electronic Governor Systems

The goal of this course is to train the participants in safe operation, troubleshooting, tuning and basic repairs of DEGO II and III electronic governor systems and ASAC actuators.

Learning objectives

Upon completion of this course the participants will be able to:

Understand and identify abnormal behaviour of the DEGO systems.
Locate faults in the different units.
Repair by replacement.
Perform calibrations and make fine tunings.
Perform basic maintenance and repairs on ASAC actuators.

Contents

Basic theory of electronic governors.
Generator application.
ASAC actuators.
ABB DEGO II and III governor concept.
Trouble shooting techniques and repair.
Practical exercises.

Methods

Lectures with demonstration on our simulator systems.
Practical exercises on our simulator systems.
Practical exercises in operating the PC based tool DEGO III Aid.

Course outline

General Information

Duration:	-H899 DEGO II and III combined 5 days -H897 DEGO II 2 or 3 days* -H898 DEGO III 2 or 3 days* *Depending on application
Venue:	Rotterdam, Netherlands
Prerequisites:	Marine power plant basic for technical staff in ABB propulsion is advisable. Basic electrical knowledge is required
Additional information:	Minimum 4, maximum 6 participants Propulsion application on request
Student profile:	Marine engineers and electro-technical personnel at operational and management level
Download:	Course description as a pdf

Day 1

Day 2

Day 3

Day 4

Day 5

DEGO II Theoretical Training:

Difference between QHFD552 and QHFD552A
Basics overview, symbols & components:
ASAC70 / QHFD420 / Fuel servo loop QHFD122S

DEGO II Practical Training:

Fuel servo loop adjustments:
Speed control loop checking

DEGO II Theoretical Training:

Control loops overview: Closed loop versus open loop
Average load line
Logical levels QHFD552(A)
Power measurement principles
Harmonics and filtering

Adjusting of the QHFD112S
Speed droop value adjustment
Testing/adjusting the:
QHFD500 / QHFD570 / QHFD571
QHFD574 / DSSX156

DEGO II Practical Training:

Fuel adjustments to be made for the QHFD552
Average load line testing
Fault tracing

DEGO III Technical Training:

QHFQ552 & QHFQ420
Hardware platform
Analogue average load line
Software handling
LCD information
Power measurement
DEGO III Aid tool

DEGO III Practical training:

Adjusting/checking of the average load line
Fuel servo loop adjustments
Step response and speed loop checking
Start fuel adjustment/check
Speed droop value adjustment set
PID adjustments with the built-in recorder

Fault tracing