Commercial Facilities

The majority of large commercial buildings use a traditional building management system (BMS), however due to the BMS’s control technology, they are unable to become more energy-efficient. It can be difficult to find the correct balance between preserving tenant comfort and optimizing energy usage while using effective energy-saving equipment because a basic BMS’s control technology is governed by simple logic. Technology for smart buildings alters that. With the correct equipment, you can simply put energy-saving advice for commercial buildings into practice while gaining strong new capabilities.

Power Quality

  • Presence of high harmonic distortion, iTDD exceeding standard limit specified by IEEE 519
  • Recurrent failure of power electronics/expensive process automation equipment, frequent failure of capacitor banks and malfunctioning of control circuits
  • Production down-time due to disruption in operation of continuous machines
  • Inflated monthly electricity bills due to low power factor (true)
  • Loss of input material in case of food industry, loss of machinery in case of plastic industry
  • Continuous and unbroken power supply
  • No risk of computer system lock-ups, meter error and premature apparatus failure
  • Reduced monthly electricity bills

Motor & Drive applications

  • Low efficiency of motors

Thermal Efficiency

  • Insufficient cooling due to
  • Heat transfer due to inadequate insulation of roof
  • Heat transfer due to lower quality of window panes
  • Overall heating in the facility
  • Fresh Air Supply- Insufficient – Energetically inefficient without Heat Recovery units

HVAC Efficiency

  • Insufficient cooling
  • Excessive humidity
  • Odor & mould
  • Spoilage of food stuff Lack of worker efficiency

Lighting-Conventional vs. LEDs

  • Lack of re-usable water
  • High operating cost due to higher consumption of electricity by Halogens and conventional flood lights/hi-bays
  • Higher replacement costs due to shorter lifespan
  • High thermal impact on cooling

Indoor Air Quality

  • High Humidity
  • High temperatures
  • Odor-Food/smoke/mould
  • Bacteria and fungus develop in high temperatures and humidity
  • Food spoilage/wastage due to bacteria and fungus
  • Dust/VOC’s/CO2

Power Quality

  • High level of harmonic distortion is the main reason of expensive cards failure
  • 7Bar Air Compressor, 40Bar Air Compressor, Refrigeration Panel, Juice Line identified as major non-linear loads – can be driven by AC or DC drives
  • High harmonics resulting in low true power factor
  • High harmonic distortion generated by large chiller units, lifts/elevators and lighting loads
  • 5th & 7th Harmonics, resonances and transients leading to irreparable damage to the capacitor banks
  • Fluctuating load profile and sudden reactive jerks of lifts/elevators
  • Over voltage due to positive tap change policy of utilities
  • Old technology of capacitor banks which are contactor switching and not suitable for today’s loads

Motor & Drive applications

  • Higher ambient temperatures lead to significant de-rating of motors and drives
  • Lack of sufficient air flows lead to low dissipation of heat leading to de-rating of motors

Thermal Efficiency

  • lack of insulation of boilers & distribution pipes
  • Insufficient thermal insulation of windows & doors
  • Over burden on HVAC
  • Corrugated steel roof leading to massive heat transfer
  • Incorrect choice of the chiller plant- this may be due to incorrect sizing or incorrect technology

HVAC Efficiency

  • Poor Maintenance of chiller plants
  • High Humidity
  • Incorrect configuration
  • Imbalance in air pressure
  • High ambient temperature
  • Use of hydrazine which is a toxin

Lighting-Conventional vs. LEDs

  • Inadequate light output
  • Significant light depreciation within 6-9 months of installation
  • Old technology of conventional lightings

Indoor Air Quality

  • Lack of dehumidification
  • Lack of cooling/ insulation
  • Lack of indoor air treatment
  • Excess use of solvents
  • Lack of indoor air filtration

Power Quality

  • Lack of dehumidification
  • Lack of cooling/ insulation
  • Lack of indoor air treatment
  • Excess use of solvents
  • Lack of indoor air filtration

Motor & Drive applications

  • Active Harmonic Filter at major nonlinear loads
  • Dynamic power factor correction with detuned filter reactor with ZERO crossing
  • Hybrid Filter suitable when power factor is low
  • Voltage optimizers

Thermal Efficiency

  • Reduction of heat with use of pre-cooling mechanisms to bring down temperatures where motor performance can be optimised
  • Use of high CFM fans to create air low and improve performance

HVAC Efficiency

  • Special coating which arrests heat transfer up to 70%
  • Air curtains and open space cooling
  • Arresting leakage of hot air from doors and delivery sections
  • Cool roof coatings
  • Heat Recovery Unit

Lighting-Conventional vs. LEDs

  • Yearly audit and maintenance of HVAC and proper configuration of chiller plant
  • Refurbish existing Heat Recovery units by chemical cleaning of Heat Wheels, Enthalpy Wheel or Desiccant Wheel
  • Additional upgrade of HRU with Horse Shoe Heat Pipe or Desiccant Dehumidification
  • Consider advance air distribution technologies such as Bosch Clemotion or Composite air ducts.
  • Chiller replacement for highest energy savings and lowest cost of ownership – Heat Pump -Water cooled chiller -Invertor based chiller
  • Shading of chiller plant and Wet wall
  • Replace Hydrazine with Polyamines

Indoor Air Quality

  • Heat Recovery Unit
  • Horse Shoe Heat pipe
  • Desiccant dehumidification
  • Indoor air purification
  • HEPA and Carbon filters
  • Oxygen concentrators to improve air quality

Power Quality

  • Total current harmonic distortion maintained within limits specified as per IEEE standard (iTDD <8%)
  • Significant savings (both tangible and intangible) through elimination of failures
  • Improved supply voltage by reduced harmonic distortion
  • True power factor maintained close to unity
  • Significant savings through reduction in monthly electricity bills
  • Lower maintenance cost due to lower disruption
  • Uninterrupted operation of continuous process machines

Motor & Drive applications

  • Low efficiency of motors
  • Less heating of motor will lead to significant savings in energy costs.

Thermal Efficiency

  • HVAC is no more over burdened
  • Wellbeing
  • Prevention of spoilage in the food industry due to adequate cooling
  • Lower energy cost
  • Lower diesel consumption

HVAC Efficiency

  • Lower cost of utilities (DEWA bills)
  • Adequate cooling
  • Improved life of chiller plant
  • Less downtime or break downs thereby savings in maintenance costs
  • Overall well being
  • Safer and cost effective
  • Better light output

Lighting-Conventional vs. LEDs

  • Well being
  • Reduction in heat load on HVAC
  • 70-80% reduction in electricity bills
  • Significant reduction in maintenance costs due to longer asset life

Indoor Air Quality

  • Wellbeing
  • Less maintenance problems
  • Lower wastage and spoilage of food stuff
  • Better air quality