ACB Testing Commissioning Service
₹ 3,000Service Location: Pan India
Service Duration: 2 Months
ACB Testing and Commissioning Service provides comprehensive solutions to ensure the optimal performance, safety, and reliability of Air Circuit Breakers (ACBs). ACBs are critical components in electrical distribution systems, used for protecting electrical circuits from overcurrent, short circuit, and other electrical faults. Our service includes thorough testing, precise calibration, and expert commissioning to guarantee that your ACBs operate flawlessly from the start. Here s an overview of what our ACB Testing and Commissioning Service entails:
1. Pre-Commissioning Inspection
Visual Inspection: Checks for physical damage, proper installation, and conformity with design specifications.
Verification of Ratings: Ensures the ACB ratings match the system requirements (voltage, current, breaking capacity).
Documentation Review: Reviews all relevant documents, including manufacturer s instructions, wiring diagrams, and project specifications.
2. Mechanical Operation Testing
Manual Operation Check: Verifies the manual operation of the ACB, ensuring smooth opening and closing mechanisms.
Spring Charging Mechanism Test: Tests the spring charging mechanism for proper functionality.
Interlock Functionality Check: Ensures all mechanical interlocks are working correctly to prevent unsafe operations.
3. Electrical Testing
Insulation Resistance Testing: Measures insulation resistance to confirm the integrity of insulating materials.
Contact Resistance Testing: Checks the resistance of the ACB contacts to ensure low resistance and good conductivity.
High-Potential (Hi-Pot) Testing: Applies high voltage to the ACB to ensure it can withstand overvoltages without breakdown.
4. Protection Function Testing
Overcurrent Protection Testing: Verifies the ACB s ability to trip under overcurrent conditions, ensuring it operates within specified time-current characteristics.
Short-Circuit Protection Testing: Confirms that the ACB trips correctly under short-circuit conditions.
Earth Fault Protection Testing: Tests the ACB s response to earth faults, ensuring proper tripping.
Selective Coordination Testing: Ensures that the ACB coordinates correctly with upstream and downstream protective devices.
5. Functional Testing
Trip Mechanism Verification: Tests the ACB s trip mechanism to ensure it operates correctly under fault conditions.
Closing and Tripping Operations: Verifies the electrical and mechanical closing and tripping operations under various scenarios.
Control Circuit Testing: Ensures all control circuits, including remote control and signaling circuits, function as intended.
6. Calibration and Settings
Relay and Trip Unit Calibration: Calibrates the protective relays and trip units to ensure accurate protection settings.
Setting Verification: Verifies all settings (current, time delays) to ensure they are in accordance with design and protection coordination studies.