Harmonic distortion, low power factor, and voltage fluctuations show up on the operating cost line as equipment failures, unexpected downtime, and reactive penalty charges. As power electronic loads such as drives, UPS systems, and LED lighting become widespread, power quality problems occupy an ever larger place on the agenda of industrial facilities. The solution starts with measurement, not guesswork.
Miratek grounds its power quality work in field measurement. Timed recordings are taken with power quality analyzers at the connection point and on critical busbars; the results are evaluated against recognized standards such as EN 50160, IEEE 519, and the IEC 61000 series. For the problems identified, solutions such as reactive power compensation, passive or active harmonic filters, and load balancing are proposed together with their engineering and cost dimensions.
Thanks to panel manufacturing and contracting capability, the proposed solution does not stop at the report: manufacturing, installation, and commissioning of the compensation and filter panels can be delivered turnkey by the same team.
Technical Scope Summary
| Measurement scope | Harmonic distortion, reactive power and power factor, voltage fluctuation, unbalance, flicker |
| Reference standards | EN 50160, IEEE 519, IEC 61000 series |
| Measurement method | Timed recording with a power quality analyzer at the connection point and on critical busbars |
| Solution options | Reactive power compensation systems, passive and active harmonic filters, load balancing |
| Application areas | Industrial facilities, OIZ infrastructure, commercial buildings, SPP connection points |
| Deliverable | Measurement and assessment report, improvement proposal, and investment scope |
How We Work
Preliminary Assessment
Billing data, fault history, and the facility's load structure are reviewed to select the measurement points.
Field Measurement
Timed recordings covering the facility's operating cycle are taken with power quality analyzers at the selected points.
Analysis and Assessment
Measurement results are compared with the limit values in the relevant standards, and the sources of the problems are identified.
Solution Design
A compensation, filter, or load balancing solution is sized and costed specifically for the facility.
Implementation and Commissioning
On request, manufacturing, installation, and commissioning of the proposed system are delivered turnkey.
Verification Measurement
A repeat measurement after implementation confirms that the improvement delivers the intended result.
Scope of Work
- Power quality measurement and reporting with power quality analyzers
- Harmonic analysis and source identification
- Reactive power and power factor assessment
- Reactive power compensation system design and improvement
- Passive and active harmonic filter solutions
- Post-implementation verification measurement and monitoring recommendations
Frequently Asked Questions
We are paying reactive penalties — what is the solution?
The first step is a measurement-based assessment of the existing compensation system; the penalty usually stems from failed capacitor stages, a misconfigured relay, or harmonic-driven resonance. Based on the measurement result, the system is revised or resized. A correctly structured compensation system eliminates the penalty charge and pays for itself in short order.
What concrete harm do harmonics do to a facility?
Harmonics cause extra heating in cables and transformers, premature ageing of capacitors, nuisance tripping of switchgear components, and faults in sensitive electronic devices. The problem typically presents itself not as a specific device failure but as recurring, unexplained downtime. Without measurement, the source of these symptoms cannot be diagnosed reliably.
Does the measurement require an outage at the facility, and how long does it take?
The measurement instruments connect to the existing panels without a power outage, and the facility carries on operating as normal. The recording period is planned to represent the facility's operating cycle; in industry practice, assessments are generally based on at least a week of recording. Shift patterns and load variations are thus all captured in the analysis.
