ROENRU
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Technical solutions

Six solutions with a direct effect on the energy bill and on the reliability of supply — sized on real measurements, not estimates.

Reactive power compensationHarmonic filteringAutomation and monitoringCogenerationLED lightingVariable frequency drives
Capacitor bank for automatic power factor correction (illustrative image) Reactive energy costs: −98…100%

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Reactive power compensation

Reactive energy is of no technological use: it overheats motors, supply circuits and transformers and increases the bill from the supplier. Compensating it is a solution with a fast return on investment and immediate results, visible on the energy bill.

  • Systems for compensating inductive and capacitive reactive energy
  • Monthly reactive energy costs are cut by 98–100%
  • A higher power factor, which means savings of active energy
  • Voltage stability along the cables
  • High efficiency of the equipment connected to the grid
Measuring harmonics with a power quality analyser in a switchboard (illustrative image) Grid at nominal parameters

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Harmonic filtering

Harmonics are mostly produced by non-linear loads and distort the sinusoidal shape of the voltage. Filtering is needed when electronic equipment fails repeatedly or does not operate properly. We determine the optimal techno-economic solution: reactors, active filters or passive filters.

  • Prevents equipment failure and overheating
  • Prevents equipment from tripping into protection
  • Brings the electrical network to its nominal operating parameters
Control room with screens monitoring energy flows (illustrative image) Real-time data

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Automation and monitoring

Monitoring systems track the operation of equipment in real time to prevent failures and to allow a precise intervention. They are essential both for determining savings and for tracking energy consumption accurately.

  • Analysis of consumption and costs by application or time period
  • Real-time charts of the measured quantities
  • Measurement and verification of the energy savings achieved
  • All consumption points in one graphical interface
Hall with a gas-engine cogeneration unit and heat exchangers (illustrative image) Bill savings: 15–40%

04 / 06

Cogeneration

Cogeneration is today the most efficient way to produce energy: it allows significant savings of primary energy and reduces environmental impact. Compared with the classic option of buying electricity from a supplier, cogeneration offers savings on the energy bill of between 15 and 40%.

  • Independence from the grid and reliable supply
  • Optimised consumption and energy costs
  • Lower CO₂ emissions
  • A solution compatible with solar panels
  • Heat delivered efficiently at high temperature (above 80 °C)
Industrial hall with linear LED lighting (illustrative image) Service life: 15–25 years

05 / 06

LED lighting

Industrial and commercial LED lighting projects generate savings that can be channelled into developing the company. We optimise the lighting system by controlling the supply voltage, using daylight and motion sensors and efficient, durable light sources.

  • Low maintenance costs
  • Lower energy consumption and costs
  • Correct light distribution and optimal visual comfort
  • Higher employee productivity
  • A service life of approximately 15–25 years
Pumping station with electric motors and variable frequency drive cabinets (illustrative image) Up to 50–60% savings on motors

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Variable frequency drives

A variable frequency drive controls the speed of an AC motor by regulating the frequency and the supply voltage. It is an economical solution, established in practice for pumping, heating, ventilation and air-conditioning applications.

  • Energy costs for driving motors reduced by up to 50–60%
  • Optimised operation and control of electric motors
  • Optimised industrial processes, with fewer production line stoppages
  • Longer service life and less maintenance
  • Safer operation

Not sure which solution fits you?

We start with an on-site measurement and a payback calculation.

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