Diagnosis from measurement, not by eye
Power quality analysis for plants and facilities with automation
Voltage dips, machine resets, overheating and controller errors are often symptoms of power supply quality issues. We register parameters in the operating window and identify the cause before advising on a solution.
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We communicate the scope of the test honestly: measured parameters, registration time and the limit of competence — part of the machine diagnostics may require the manufacturer.
When is it worth testing
Symptoms of power quality problems.
- Voltage dips and fluctuations
- Resets, errors and freezes of controllers or drives
- Harmonics from inverters, UPS and power supplies
- Flickering lights and uneven operation of equipment
- Overheating of motors, transformers and cables
- Change in installation behaviour after PV installation or a new line
Process
From symptom to confirmed cause.
- InterviewSymptoms, devices and changes in the installation.
- LoggingMeasurement of parameters in a representative window.
- AnalysisVoltage, harmonics, loads and events.
- ConclusionsCause and solution variants.
- ImplementationElectrical part after approval.
- Control measurementVerification of the effect.
Honest about the scope
What we measure and where the limit is.
We specify the scope of the test in the offer
- measured parameters and logging time,
- methodology and persons performing the test,
- limit: diagnostics of machinery, automation and software may require the manufacturer.
If the source of the charge is reactive energy, the right direction is often reactive power compensation — we will point this out based on the measurement.
FAQ
Questions about power quality.
What is the difference between power quality and reactive power compensation?
Compensation mainly concerns charges and the nature of reactive energy. Power quality is a broader diagnostic: voltage, harmonics, dips and events affecting devices. We often test them together — see reactive power compensation.
Will the measurement alone solve the problem?
The measurement indicates the cause and direction. The solution depends on the source — from changes in the installation, through filters, to cooperation with the device manufacturer. We do not promise results before the analysis.
How long does the logging take?
As long as necessary to capture a representative duty cycle — the time is specified in the offer, along with the measured parameters.
Do you do this in a production plant?
Yes — within the limits of confirmed equipment and competence. The industrial context is described on the production and warehouses page.
B2B Contact
Describe your power supply problem.
Provide symptoms, type of devices and when the problems occur — we will propose parameter logging and the scope of analysis.
Our rule: first measurement and cause, then solution — with a transparent scope and limit of competence.