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Solutions / Compensation Monitoring
🎛️ Compensation

Compensation Monitoring: Take the Panel Out of Blind Flight

Argus EMS monitors your compensation panel remotely: capacitor step health, inductive/capacitive ratios, THD impact and maintenance tracking on one screen — you get alerted before the reactive charge hits the bill.

The Problem

A Panel Exists, Visibility Doesn't

In most facilities the compensation panel is installed and forgotten. Capacitors lose capacity over time, contactors stick, fuses blow — the panel looks "working" while the ratios quietly deteriorate. The result is a reactive charge at month-end; in large facilities a single breach can reach six or seven figures.

Argus EMS reads the reactive power control relay (e.g. GrupArge RKR) or the panel analyzer over Modbus: step states, instantaneous cosφ, indexes and cumulative ratios are recorded daily. Together with the reactive penalty tracking system, it produces staged warnings before the threshold.

The Argus Solution

What Does It Monitor?

  • Capacitor step status and switching patterns
  • Cumulative inductive/capacitive ratio — EPDK 20% / 15% limit tracking
  • Detection of steps that never engage or stay permanently engaged
  • Impact of harmonic distortion (THD) on capacitor life
  • Staged warnings before the threshold, urgent alarm on breach risk
  • Maintenance checklist and monthly PDF report
%20/%15
EPDK inductive/capacitive limit
15 min
Ratio update frequency
Daily
Step health check
%0
Target reactive charge

What Is Compensation Monitoring?

Compensation monitoring continuously reads step status, cosφ and reactive indexes from the reactive power control relay and panel analyzer to show whether the panel actually works — computing the approach to EPDK ratio limits and alerting before a penalty is charged.

Who Is It For?

  • Factories, hospitals, malls and hotels with recurring reactive charges
  • Facilities whose panel is only checked at the annual maintenance
  • Energy managers who want multiple facilities' panels on one screen
  • Buildings with variable reactive loads such as MRI/CT, elevators, HVAC

Related: the reactive penalty calculator, what is a reactive energy penalty? and power quality monitoring.

FAQ

Frequently Asked Questions

Why should a compensation panel be monitored remotely?
Panel faults usually go unnoticed until the bill arrives: a burnt capacitor bank or a relay out of service silently raises the cumulative reactive ratio. With remote monitoring, step status and ratios are visible every day; the issue is caught before the penalty reaches the bill.
How is a capacitor step fault detected?
Argus EMS reads step states from the reactive power control relay and watches switching patterns. A step that never engages or stays permanently engaged indicates capacity loss or a contactor fault; the system raises a notification in that case.
When is the compensation (reactive) charge applied?
Under the EPDK rule, if cumulative inductive reactive energy within the month exceeds 20% of active energy, or capacitive reactive exceeds 15%, the distribution company applies a reactive charge. Even a single day's excursion can spoil the month-end cumulative ratio — which is why monitoring must be daily.
Can you connect to my existing reactive power relay?
Common relays with Modbus communication are supported; a ready register template exists for the GrupArge RKR. If your relay has no communication port, the same monitoring is provided through an energy analyzer added to the panel.

See Argus at Your Facility

Explore the system with your own data in a demo session.