energy loss reduction initiatives
TRANSCRIPT
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Energy loss reduction initiatives for Distribution Networks
Amit [email protected]
Innovation at work
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Energy Loss Stages
Conversion65%
Transmission2%
Distribution3%
India loses over 20%
Losses in LVDS
Energy Not
Supplied
Non-Technical
Losses
Technical Losses
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Technical Losses
Low Power Quality
Harmonics
Poor Power Factor
Flicker & Transients
Frequency Variation
Transformer Losses
No Load Losses
Load Losses
I2R Losses
Connector Losses
Cable Losses
Non-Linear Loads
Inductive Loads
Insulator Leakages
Secondary Energy Sources
Improper Grounding
Eddy Current Losses
Hysteresis Losses
Dielectric Losses
Winding Losses
Stray Losses
Unbalance Harmonics
Peak Load Variance
Improper Installation /
Loose contacts
Insufficient Contact
Area
UnbalanceCable /
Conductor Overloading
Strand Loosening Undersized
cables/conductors
Peak Load Variance
Effects
Causes
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I2R Losses
LV Loss Zones• Transformer Connections• ACB Connections• Feeder Pillar Connections• Distribution Box connections• Meter Connections• LV ABC Connections• D Loops / Binding wire
Service Connections
LVDS carries High Currents
Each Connection generates a heat loss
Every Connection
counts
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Equipment ~Loss Per Annum With Conventional/ Existing Connection System
Loss / p.a. for 1000 Nos. population
Transformer 11kV/415 V( 1 MVA)
INR 55000 INR 5.50 Crs
ACB 2000A INR 13000 INR 1.3 CrsPG Clamp Dog to Dog INR 2000 INR 0.20 CrsTotal Annual Loss INR 7 Crs
Conventional connectors have high I Square R Losses
1 Unit = INR 5/-
Excludes Cost of equipment failure and revenue loss
Example
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Transformer ConnectorShear Bolt Technology
Wedge Connectors
~80% Loss reduction* over
Conventional Connectors
* Source: Case Study: CR Values established in Delhi Utilities & SARI Report US AID
Loss Reduction InitiativesLow Resistance Connector Systems
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LVDS: Non-Technical Losses
Non-Technical Losses
Metering Losses
Faulty Meters
Tampered Meters
CT / PT Errors
No DT Metering
No Energy Audits
Theft
Bare Conductors / LV ABC / Service cables
Transformers/ Distribution Boxes / FP / Meters
Billing Errors
Incorrect Billing
Defaulters unpunished
Effects
Causes
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Theft of Electricity
• Direct Hooking on Bare OH / Transformers / Distribution Boxes• Nails/ Insulation Piercing Connectors on LV ABC / Service Cables• Energy Meter Bye Pass
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Theft Reduction Initiatives
Co-Axial Power Cables
Anti Theft Cables & Connector Systems
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Underground LT Feed Connection SystemsAntitheft Distribution Boxes
Plugin Meter Enclosures
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Next Steps :- Three Stage Distribution ?
11kV / 1 kV / 0.415 kV