Diesel Generator Control System: Analog vs Digital
The control panel can be categorised into analog control system or digital control system.
Comparison
Analog Control System
Digital Control System
Operating
Analog Control System
- Relatively straightforward
- Technicians do not require a high level of technical know-how to operate
- The generator can be quickly and easily controlled
Digital Control System
- More complicated
- Technicians must have past experience of the control system to operate through the electronic system
Service & Repair
Analog Control System
- Easy
- Can replace the meters independently
Digital Control System
- Difficult
- If a fault is detected, the entire panel must be replaced and this requires a large amount of computer programming to re-install and complete the repair
Maintenance Cost
Analog Control System
- Low
Digital Control System
- High
Networking
Analog Control System
- Cannot connect smart computer control system (Pro Logic Control)
Digital Control System
- Can connect smart computer control system (Pro Logic Control)
Generator Room Environmental Requirements
Analog Control System
- Can adapt to hostile work environments such as high humidity and large amounts of dust
Digital Control System
- Need a clean environment
Reason for choosing an analog control
- Mainly for single use, because it is relatively easier to control
- Replacement of the existing power system generator sets, needs and legacy systems re-convergence
- Low maintenance costs compared with digital control system
- Major use in marine engine or genset
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