Question
Download Solution PDFWhich of the following is the commonly used generator in a DC welding machine?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFApplications of DC generators
Compound generator:
A compound generator is commonly used in DC welding machines because it combines the characteristics of both series and shunt generators:
- It provides a relatively stable voltage (like a shunt generator).
- It can handle sudden load changes well (like a series generator).
- This ensures a consistent arc, which is crucial for welding quality.
Shunt generator:
- Shunt generators are known for providing a relatively constant output voltage, making them suitable for several practical applications such as battery charging, electroplating and electrolysis.
Series generator:
- Used in early electric traction, arc lighting, and boosting voltage in long DC lines.
Permanent magnet generator:
- Used in wind turbines, small hydro generators, bicycles (dynamo), portable generators, engine ignition systems, and renewable energy systems for efficient, maintenance-free power generation.
Last updated on Jun 7, 2025
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