Commercial Facilities

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

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