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Copyright ©Power Electronics Systems (2006) Ltd.
Power Electronics
Power Electronics
Systems
Systems
NEW YORK-ISRAEL
ALTERNATIVE & RENEWABLE ENERGY & CLEANTECH CONFERENCE
JUNE 2007
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Copyright ©Power Electronics Systems (2006) Ltd.
Introduction
Introduction
PES develops, manufactures and markets energy
efficiency products & solutions
Key principles leading our R&D efforts:
Efficiency of existing technologies
Practical & pragmatic solutions
Cost effectiveness & attractive ROI
No change in existing infrastructure
Over 75 years cumulative R&D focused on power
electronics
Proprietary technology for voltage optimization and
control
Thousands of installations with Global Companies
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Copyright ©Power Electronics Systems (2006) Ltd.
Technology Platform
Technology Platform
Optimization and Control of Line Voltage
Optimization and Control of Line Voltage
Core Platform
Core Platform
LEC
LEC
Lighting
Lighting
Energy
Energy
Controller
Controller
MEC
MEC
Motor
Motor
Energy
Energy
Controller
Controller
Future
Future
Products
Products
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Copyright ©Power Electronics Systems (2006) Ltd.
PES
PES
SOLUTION
SOLUTION
PES Solutions & Technology Platform
PES Solutions & Technology Platform
HVAC
Mining
Quarries
Water pumps
Conveyors
Office buildings
Retail chain
Logistic centers
Industrial
Outdoor lighting
Commercial, Industrial
Commercial, Industrial
and Public Lighting
and Public Lighting
Electrical Motors
Electrical Motors
PES Provides a Broad Energy Efficiency
PES Provides a Broad Energy Efficiency
Solution for a Wide Range of Applications
Solution for a Wide Range of Applications
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Copyright ©Power Electronics Systems (2006) Ltd.
Selected References
Selected References
Budapest
Street Lighting
Geneva
Street Lighting
Over 90
Municipalities
in Israel
Several cities
in RSA
Amdocs
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Copyright ©Power Electronics Systems (2006) Ltd.
Technology Overview
Technology Overview
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Copyright ©Power Electronics Systems (2006) Ltd.
Background
Background
Discharge lighting systems and inductive motors
work efficiently at a reduced input voltage
According to Vendors
According to Vendors


Specifications:
Specifications:
Fluorescent, Metal Halide
and HPS lamps are
designed to work in the
range of ±10% from
nominal line voltage
Common Practice:
Common Practice:
-Electrical motors are
installed with 50% spare
power capacity
-U.S DoE: 40% of industrial
motors are loaded at 40%
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Copyright ©Power Electronics Systems (2006) Ltd.
Technology Principles
Technology Principles
230V Sin(ωt) + 25V Sin(ωt+π) = 205V Sin(ωt)
230V Sin(ωt) -25V Sin(ωt) = 205V Sin(ωt)
230V
25V
205V
230V
25V
The idea is very simple
205V
Control
Control
Load
Load
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Copyright ©Power Electronics Systems (2006) Ltd.
Technology Platform & Advantages
Technology Platform & Advantages
Supply only the right amount of energy required for the most
efficient operation
Produce & maintain a pure sine wave
Do NOT alter line voltage
•Advanced, dynamic control of line voltage
•Micro-processor based
•Embedded software algorithms
Optimizing voltage supply regime
No electrical distortions
Compact size
Very low losses: 0.3% -0.5%
Improves
Efficiency of
Lighting Systems
& Electrical
Motors
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Copyright ©Power Electronics Systems (2006) Ltd.
Alternative Solutions
Alternative Solutions
Phase Control
Alters the line voltage
High THD/EMI; Low PF; RFI
Not reliable
Require change in infrastructure
Autotransformers
Bulky size
High losses: 5% -7%
Requires special cooling
systems
Electronic Ballasts
Applied to each lamp (vs. System)
Not cost effective for retrofit
PES System 3x80A
PES System 3x80A
Size: 43 x 24 x 28 cm
Weight: 34 Kg / 74 Lb
Typical Alternative 3x80A
Typical Alternative 3x80A
Size: 100 x 50 x 75 cm
Weight: 320 Kg / 703 Lb
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Copyright ©Power Electronics Systems (2006) Ltd.
L
L
E
E
C
C
Lighting Energy Controller
Lighting Energy Controller
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Copyright ©Power Electronics Systems (2006) Ltd.
LEC Product Lines
LEC Product Lines
Line Voltage
Saving
LEC A Output
230V
205V
Ignition
&
Warm-Up
Line Voltage
Saving
LEC B Output
230V
205V
Ignition
LEC A & LEC A SP
LEC B, B Super & EcoLite
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Copyright ©Power Electronics Systems (2006) Ltd.
LEC Product Lines
LEC Product Lines
LEC A
LEC A
LEC A
Lamps:

MH/HPS

Fluorescent
Features:

AstroClock

Four saving
time intervals

Constant Vout
Lamps:
Lamps:


MH/HPS
MH/HPS


Fluorescent
Fluorescent
Features:
Features:


Astro
Astro
Clock
Clock


Four saving
Four saving
time intervals
time intervals


Constant
Constant
Vout
Vout
LEC B Super
LEC B Super
LEC B Super
Lamps:

HPS/MH

Fluorescent
Features:

AstroClock

One saving
time interval
Lamps:
Lamps:


HPS/MH
HPS/MH


Fluorescent
Fluorescent
Features:
Features:


Astro
Astro
Clock
Clock


One saving
One saving
time interval
time interval
LEC B
LEC B
LEC B
Lamps:

Fluorescent
Range:

Three Phase

20A –160A
Lamps:
Lamps:


Fluorescent
Fluorescent
Range:
Range:


Three Phase
Three Phase


20A
20A


160A
160A
ECOLITE
LEC sp
ECOLITE
ECOLITE
LEC sp
LEC sp
Lamps:

Fluorescent
Range:

Single Phase

10A –35A
Lamps:
Lamps:


Fluorescent
Fluorescent
Range:
Range:


Single Phase
Single Phase


10A
10A


35A
35A
Full Range of Products
Full Range of Products
Applications:
Office Buildings, Logistic centers, Retail Chains, Industry,
Fuel stations, Outdoor lighting
Applications:
Applications:
Office Buildings, Logistic centers, Retail Chains, Industry,
Office Buildings, Logistic centers, Retail Chains, Industry,
Fuel stations, Outdoor lighting
Fuel stations, Outdoor lighting
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Copyright ©Power Electronics Systems (2006) Ltd.
LEC Saving
LEC Saving


Attractive ROI
Attractive ROI
Direct
Direct
20% -35% DIRECT
saving of electricity
Typical ROI –Less than two years
Indirect
Indirect
Reduce conductivity losses
Reduce maintenance/re-lamping cost
Reduce HVAC power consumption in office buildings
Before
Before
Direct
Indirect
LEC
LEC
SAVING
Reduction in
Reduction in
TCO: 30%
TCO: 30%
-
-
50%
50%
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Copyright ©Power Electronics Systems (2006) Ltd.
Company
Company
Location
Location
% Savings
% Savings
Federated Dept. Stores Tampa, Florida 31.5%
FedEx Ground Orlando, Florida26.5%
Hartford, Connecticut 27.4%
Huttig Building Products Davenport, Florida29.5%
TimBar Corp. Tampa, Florida34.0%
MattelDallas, Texas 28.0%
Pepperidge Farms Lakeland, Florida32.2%
R & L Carriers Wilmington, Ohio22.7%
Tech-Data Atlanta, Georgia30.9%
U.S. Selected LEC Installations & Savings
U.S. Selected LEC Installations & Savings
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Copyright ©Power Electronics Systems (2006) Ltd.
LEC Summary of Benefits
LEC Summary of Benefits
Direct saving: 20% -35%
Indirect saving: additional 10% -15%
Easy installation
No electro-magnetic distortions
No change in existing infrastructure
Field proven in thousands of
installations
Top: IBM Office Building
Bottom: Budapest Street Lighting
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC
MEC
Motor Energy Controller
Motor Energy Controller
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Copyright ©Power Electronics Systems (2006) Ltd.
Why MEC?
Why MEC?
Electrical motors do not work at full load
Common practice:
Motors are loaded at 30% -70%
In this mode motors operate inefficiently
Low CosF
High current
Most motor installations require:
Soft Starter
PFC
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC Functionality
MEC Functionality
MEC –An integrated motor energy controller for
improving motor performance
All-in-One Solution
Energy Saving 
Saves 10%
Saves 10%
-
-
15% of electricity
15% of electricity
Soft Starter
PF Correction
Simple, easy installation
Does not require changes in the existing
infrastructure
Improves motor performance
Reduce motor life cycle cost (LCC)
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Copyright ©Power Electronics Systems (2006) Ltd.
Operation Sequence
Operation Sequence
Start Up Sequence
Soft Starting
Set Up
Line voltage reduction
40 -60V
Load Level
Threshold
Save
Save
Mode
Mode
Bypass
Bypass
Mode
Mode
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC Specifications
MEC Specifications
128
70
306
536
643
142
MEC 100hp
95
62
280
395
610
105
MEC 75hp
68
41
265
275
436
75
MEC 50hp
50
37
265
275
436
56
MEC 40hp
27
2626527543630MEC 20hp
14
19
265
275
436
15
MEC 10hp
DWH
Losses
(w)
Weight
(kg)
Dimensions
(mm)
I
(A)
Model
(HP)
Product Range
Product Range
Technical Specs
Technical Specs
< 1%
THD
A, Volt, CosF, W, KWH
LCD Display
Over T, Unbalanced CurrentProtection
40V –60V (user set up)
Input Voltage reduction
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC
MEC


Selected Field Test Results
Selected Field Test Results
-
-
Conveyor
Conveyor
20hp motor operates a conveyor in a quarry
MEC Model 20hp
Start up current reduction
From 6-8 times nominal to 1.5 –2 times
Test results (The motor loaded at 35%):
48%
48%
6,026
11,641
VA
58%
58%
58%
58%
18%
18%
48%
48%Improvement
4,334
0.68
4,155
8.5
409
Save
10,4290.435,04516.5409Bypass
Var
CosF
W
A
Vin
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC
MEC
-
-
Selected Field Test Results
Selected Field Test Results
-
-
HVAC
HVAC
A Hanbelmotor operating a compressor of
central HVAC system
Test results:
15%
15%
20,696
24,313
VA
19.8%
19.8%
1.1%
1.1%
14%
14%
15%
15%
Improvement
7,998
0.92
19,088
32
368
Save
9,9680.9122,17538368
Bypass
Var
CosF
W
A
Vin
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Copyright ©Power Electronics Systems (2006) Ltd.
PES & The Green Environment
PES & The Green Environment
PES
PES
SOLUTION
SOLUTION
Decrease
network
losses
Reduce
CO2
emission
Reduce
peak
demand
Public/National
Benefits
Save money
and electricity
Reduce
maintenance
cost
Business
Benefits
Improve
efficiency
20%
20%
-
-
35%
35%
Direct Savings
Direct Savings
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Copyright ©Power Electronics Systems (2006) Ltd.
Summary
Summary
We address the majority of the market
Our products offer a solution
TODAY
TODAY
!!
!!
Our technology is proven –
so many global names can’t get wrong
Our solutions are:
the most cost effective attractive ROI
simple & easy to install
flexible to be customized to client needs
Safe w/ no downside
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Copyright ©Power Electronics Systems (2006) Ltd.
Thank You !
Thank You !
27
Copyright ©Power Electronics Systems (2006) Ltd.
Case Studies
Case Studies
IBM Offices
Budapest Street Lighting
MEC Field Test
Public Benefits
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Copyright ©Power Electronics Systems (2006) Ltd.
Case Study: IBM Office Buildings
Case Study: IBM Office Buildings
Offices, Underground parking, Outdoor lighting
Lamp types: Fluorescent, HPS and MH
Pilot project results: 22% saving in lighting
System configuration
LEC B 3x30A, LEC B 3x50A
ECOLITE
Annual saving results
Saving: 22.7%
KWH:286,300
US$: 40,082
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Copyright ©Power Electronics Systems (2006) Ltd.
Case Study: IBM (Cont.)
Case Study: IBM (Cont.)
22.7
136,878
977,700
209176,9601,264,000270Total
22.1
84,420
603000
134108,360774,0001724500FL
Lobby, offices
and parking
Haifa Bldg
23.8
36,960
264000
4848,510346,500635,500FL
Underground
parking
PetachTikva
Bldg
22.9
15,498
110,700
2720,090143,500354,100
MH &
HPS
Outdoor lighting
Petach-Tikva
Bldg
%
US$
KWH
KW
US$
KWH
KW
Annual
Oper.
Hours
Lamp
type
Location
Saving Before
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Copyright ©Power Electronics Systems (2006) Ltd.
Case Study: Budapest Street Lighting
Case Study: Budapest Street Lighting
Street and outdoor lighting
Lamp type: HPS 70W, 100W, 150W, 250W
System Configuration
LEC B Super: 3 x 30A –3 x 160A
Astronomic clock
Saving time schedule
Total: over 150 units
Saving: 25%
Typical Outdoor installation
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Copyright ©Power Electronics Systems (2006) Ltd.
Case Study: Budapest (Cont.)
Case Study: Budapest (Cont.)
€108,836€144,144
€35,308
€83,720
€25,116
€110,880€33,264
Total Cost (€)
2,511,600 KWh3,326,400KWh
814,800 KWh
2,093,000
418,600
2,772,000554,400
Total Energy (KWh)
0.040.060.040.06
KWh Price (€/KWh)
35007003500700Operating Hours
Off-Peak
Peak
Off-Peak
Peak
598 KW792 KWAverage Power (KW)
2,710A3,590 ATotal Current (A)
Saving
Typical
installation of
25 LEC B Units
(30A –160A)
with LEC
Before
Typical saving figures for 25 units of LEC B Super
in the range of 3x30A -3x100A
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Copyright ©Power Electronics Systems (2006) Ltd.
MEC
MEC
-
-
Field Test Results
Field Test Results
20hp motor operates conveyor in a quarry
MEC Model 20hp
Start up current reduction
From 6-8 times nominal to 1.5 –2 times
Test results (The motor loaded at 35%):
48%
6,026
11,641
VA
58%58%18%48%Improvement
4,334
0.68
4,155
8.5
409
Save
10,4290.435,04516.5409Bypass
Var
CosF
W
A
Vin
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Copyright ©Power Electronics Systems (2006) Ltd.
Global/National Saving
Global/National Saving
~150,000MWH
Saving (25%)
600,000MWHTotal Energy (KWH) (4000h/year)
150,000KWTotal Power (KW)
150WPower/pole
1,000,000Lighting poles
~250,000MWH
Saving (10%)
2,500,000MWHTotal Energy (KWH) (5000h/year)
500,000KWTotal Power (KW)
50KWAverage power
10,000Number of motors
Saving on Lighting
Saving on Lighting
Saving on Motors
Saving on Motors
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Copyright ©Power Electronics Systems (2006) Ltd.
Contribution to the Environment
Contribution to the Environment
Electricity Saving
Energy: 400,000MWH = 400GWH
Annual saving = US$40,000,000
Capacity: 650MW = mid-size power plant
Coal Saving
200,000 ton
CO2 Emission
350,000 ton CO2
Equivalent to 55,000 cars
650MW =
650MW =
= US$800M
= US$800M
= 55,000 cars
= 55,000 cars
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Copyright ©Power Electronics Systems (2006) Ltd.
PES & The Green Environment
PES & The Green Environment
PES
PES
SOLUTION
SOLUTION
Decrease
network
losses
Reduce
CO2
emission
Reduce
peak
demand
Public/National
Benefits
Save money
and electricity
Reduce
maintenance
cost
Business
Benefits
Improve
efficiency
20%
20%
-
-
35%
35%
Direct Savings
Direct Savings
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Copyright ©Power Electronics Systems (2006) Ltd.
Huge Market Potential
Huge Market Potential
Motors
25% of electricity in US is
consumed by electrical motors
75% of power consumption in industry
40% of industrial motors are loaded at 40%
Potential saving is about 11% –18%
Lighting
Lighting consumes about 765 TWH/Year
Commercial, industrial and outdoor –73%
Expected improvement in efficiency –20%
According to US Department of Energy:
According to US Department of Energy: