Sample interview questions: Can you explain your knowledge of electrical system power quality monitoring and analysis?
Sample answer:
As a seasoned Master Electrician, I possess a comprehensive understanding of electrical system power quality monitoring and analysis. Here are the key elements of my expertise:
Power Quality Monitoring:
- Data Acquisition: Meticulous implementation of power monitoring devices, including revenue-grade meters, energy analyzers, and power quality analyzers, to gather real-time data on voltage, current, harmonics, power factor, and other parameters.
- Data Management: Efficient data handling practices to ensure accurate recording, storage, and retrieval of critical power quality data for subsequent analysis.
- Communication Protocols: In-depth knowledge of communication protocols used in power quality monitoring systems, such as IEC 61850, MODBUS, and DNP3.
Power Quality Analysis:
- Harmonics Analysis: Expert analysis of harmonic distortion levels, including identification of sources and mitigation strategies to prevent equipment damage and improve system reliability.
- Power Factor Correction: Comprehensive evaluation of power factor conditions and implementation of appropriate correction measures to minimize energy losses and enhance system efficiency.
- Voltage Fluctuations: Thorough assessment of voltage variations, including sags, swells, and transients, to identify causes and develop solutions to maintain stable power supply.
- Disturbance Analysis: Skillful investigation of electrical disturbances, such as overvoltages, overcurrents, a… Read full answer
Source: https://hireabo.com/job/12_1_0/Master%20Electrician