1. Introduction to ElectroFlow TM System Dhaka, March 8, 2003 Mahmuduzzaman Khan Green Power Canada

2. Introduction  Electrical energy has extensive use in our daily life  Most customers believe that utilities have caused the problem  Electrical pollution have significant effect on electrical motor and other equipment operation  Electenergy Technology Inc. (ETI) of USA has technology to deal with this electrical pollution

3. Introduction

4. What is ElectroFlow TM ? ElectroFlow TM is one-of-a-kind, state-of-the-art energy saving and power conditioning system  It is an integrated system equipped with a microprocessor based Regulator, which monitors V, I, PF., and Hr. at the rate of 3840-15360 samples per second.  It is specifically custom engineered to optimize power quality and guaranteed savings  It is versatile solution and available for various load sizes and voltages  It is an integrated system consisting of LRC circuits  It is equipped with a unique alarm-driven Self Diagnostic Feature(SDF)  It eliminates the need to purchase a number of different devices

5. Benefits of ElectroFlow TM  Reduces facility’s energy cost up to 34%  Reduces equipment downtime and maintenance  Increase plant’s reliability  Makes it possible to increase the total connected load of a circuit without over sizing the existing hardware  Protects company’s investment  Provides protection to sensitive equipment

6. Standard Features of ElectroFlow TM  Voltage Improvement and Stability  Three Phase Balancing  Surge and Transient Protection  Broadband Harmonics Mitigation  Power Factor Improvement  Increase KVA Capacity

7. Voltage Improvement and Stability Problems due to voltage variation-  Overheating of motors/Insulation breakdown  Imbalance current  Negative voltage sequence  Speed variation in motors  Reduce motor efficiency

8. Voltage Improvement and Stability Problems due to voltage variation-  Motor bearing failure  Reduce production quality  Waste energy/High electric bill  Waste investment and operating capital  Call for oversized machinery  More difficult to provide adequate overload protection  Increase noise and vibration  Increases maintenance of equipment and machinery

9. Voltage Improvement and Stability ElectroFlow TM Offers-  Real time voltage improvement and stability  Saves energy  Connects in parallel and it is fail safe  It is modular and expandable Disqualification of other similar products (UPS, SPS) -  Waste energy  Connect in series  Generate harmonics  Limited fixed sizes and not expandable  Bulky and expensive

10. Three Phase Balancing Problems due to unbalance loading-  Negative voltage sequence  Circulating currents  Increased current in neutral conductor  Increased Neutral- to- Ground voltage  Overheating of motors/Insulation breakdown  Reduced motor efficiency  Motor bearing failure  Increased maintenance of equipment and machinery  Wasted energy/High electric bill  Wasted investment & operating capital

11. Three Phase Balancing ElectroFlow TM Offers-  Real time phase balancing based X/R  Saves energy Disqualification of other similar products -  There is no such device known in the market

12. Surge and Transient Protection Problems due to surge and transient-  Increase maintenance and downtime  Reduce lifetime of equipment  Cause computers to stop execution of programs  Creates false data in computers  Erase data in computer memory  Result in hardware damage  Cause damage to insulation in transformers and motors  Cause nuisance tripping of adjustable speed drives  Wasted energy/High electric bill

13. Surge and Transient Protection ElectroFlow TM Offers-  Infinite response to surges and transient  Saves energy  Provides status indication, using SDF Disqualification of other similar products (,Zener’s) -  Have limited joules/sec. capacity  Re-channel the energy to ground/neutral  No status indicators

14. Broadband Harmonics Mitigation Problems due to Harmonics-  Overheating of transformers and rotating equipment  Increased Hysteresis losses  Neutral overloading/unacceptable neutral-to-ground voltages  Distorted voltage and current wave forms  Failed capacitor banks  Fuses and Breaker tripping  Unreliable operation of electronic equipment and generators  Erroneous resister of electric meters  Wasted energy/High electric bill

15. Broadband Harmonics Mitigation  Wasted capacity-inefficient distribution of power  Increased maintenance of equipment and machinery ElectroFlow TM Offers-  Broadband harmonics filtering  Elimination of associated wasted energy  Modular and expandable system for additional load Disqualification of other similar products (Active filters) -  Waste energy  Connect in series  Generates harmonics  Limited fixed sizes and not expandable  Bulky and expensive

16. Power Factor Improvement Problems due to Power Factor-  Increased line losses- I 2 R  Wasted generation capacity  Wasted distribution/transformer capacity  Wasted system capacity  Reduced system efficiency  Increased maximum demand and related charges  Possible power factor charges  Increased maintenance of equipment and machinery  Wasted energy/High electric bill  Wasted investment and operating capital

17. Power Factor Improvement ElectroFlow TM Offers-  Power factor 0.95-1.0 with no adverse side effects  Self Diagnostic Features (SDF) Disqualification of other similar products (PFCC’s/Capacitor bank’s) -  Over voltage, unregulated supply  Susceptibility to surges and transients, reduce Z  Capacitor cell failure  No cell failure protection/monitoring  Harmonics magnification  Resonance and overheating  Leading power factor in low load or no load condition  Increase torque and KW, based on percent loading

18. Increase KVA Capacity Problems due to wasted KVA capacity-  Additional load requires an increase in supply size  Additional load requires larger disconnecting means  Additional load requires higher rated protecting devices  Cable/bus capacity must be rated higher then necessary  Unnecessary capital expenditure for such wasted KVA capacity  More space required for additional equipment

19. Increase KVA Capacity ElectroFlow TM Offers-  Balanced-capacity release in KVA capacity  No adverse side effects  More cost effective then any other devices in the market

20. Optional Features of ElectroFlow TM  Brownout Protection  Intermittent Supply Failure Protection  Specific Harmonics Filtering  Phase Loss Synthesis

21. Brownout Protection Problems due to Brownout-  Temporary low line voltage  Shutdowns  Loss of microprocessor memory  Loss of control  Overheating of motors/Insulation breakdown  Protective device tripping  Speed variation  Reduced motor torque, which can leads to stalling  Increased maintenance and downtime  Increased operating expenses

22. Brownout Protection ElectroFlow TM Offers-  Real time voltage improvement and stability  Saves energy  Connects in parallel and fail-safe  It is modular and expandable Disqualification of other similar products (UPS, SPS) -  Waste energy  Connect in series  Generate harmonics  Limited fixed sizes and not expandable  Bulky and expensive

23. Intermittent Supply Failure Protection Problems due to Intermittent Supply Failure-  Voltage control relay tripping  Phase imbalance relay tripping  Plant and equipment shutdown-downtime!  Loss of critical microprocessor memory  Possible jogging, pinching and stalling of motors  Loss of control and resetting equipment  Loss of production

24. Intermittent Supply Failure Protection ElectroFlow TM Offers-  Supplies continuous voltage during short duration (up to 1 second) intermittent supply failure and HV line switching

25. Specific Harmonics Filtering Problems due to Specific Harmonics-  Overheating of transformers and rotating equipment  Neutral overloading/unacceptable neutral-to-ground voltages  Distorted voltage and current wave forms  Failed capacitor banks  Increased Hysteresis losses  Fuses and Breaker tripping  Wasted energy/High electric bill  Erroneous resister of electric meters  Unreliable operation of electronic equipment and generators  Wasted capacity-inefficient distribution of power  Increased maintenance of equipment and machinery

26. Specific Harmonics Filtering ElectroFlow TM Offers-  Specific harmonic filtering of any magnitude  Enhanced power quality  Elimination of associated wasted energy  It is modular and expandable to include additional load Disqualification of other similar products (Active filters) -  Waste energy  Connect in series  Limited fixed sizes and not expandable  Bulky and expensive

27. Phase Loss Synthesis Problems due to Phase Loss-  Imbalanced operation of three phase motors, resulting in insulation breakdown and destruction  Increased downtime  Loss of production  Major maintenance and replacement capital requirement

28. Phase Loss Synthesis ElectroFlow TM Offers-  Phase loss detection and synthesis system  Makes the lost phase from the other two phases  Sustains voltage supply to the load continuously  Virtually no downtime

29. V, I,Pf and Hr graph of an Industry in Dhaka

30. Thanks to Organizers and Participants of this workshop