Assessment
Power-Quality Assessment: Data Checklist
Avoid starting with a product assumption. Record the observed problem and the electrical and operating context first, then decide what measurements and corrective options are relevant.
Share Your Requirement
Project information checklist
Mark what is available and note what is still unknown. Do not delay an initial discussion simply because every item is not complete.
- 01
Describe the symptom, affected equipment, first occurrence and any pattern by shift or process state.
- 02
Share the single-line diagram, transformer, generators, UPS systems and major distribution paths.
- 03
List non-linear, rapidly switched, high-starting-current and sensitive loads in the affected area.
- 04
Provide available voltage, current, demand, power-factor and harmonic measurements with timestamps.
- 05
Record where instruments were connected and which equipment was operating during each interval.
- 06
Identify capacitor banks, APFC panels, filters, stabilizers and recent electrical changes.
- 07
State the decision required from the review and any site access or shutdown limitations.
Frequently asked questions
How long should power-quality measurements run?
The duration should capture representative normal and problematic operating states. A short recording may be enough for a repeatable event, while variable production can require longer monitoring.
Should a product be selected before completing the assessment?
Usually not. Similar symptoms can arise from different electrical conditions, so the architecture, measurements and operating context should define whether filtering, correction, conditioning or another response is appropriate.
Turn the available information into a useful review.
Describe the required outcome, attach or reference the information you have and identify any immediate project constraint.