1. ECONOSEEK
A Retrofit-Ready, Variable-Speed,
Diesel Saving Solution For Telecom Gensets
www.sedemac.com

2. Telecom Diesel OPEX Problem: India
www.sedemac.com
 > 350K telecom towers in India
 Zero downtime expected  Need for back-up power
 Unreliable grid  High demand for back-up power  High DG usage
 ~ 2 Billion litres of diesel / year
  Diesel costs,  environmental concerns  Need to reduce consumption
 Need for reliable, implementable, low maintenance, attractive RoI solution
Poor/absent grid, High Diesel OPEX  Need for Diesel Saving Solutions

3. Telecom Diesel OPEX Problem: Africa
Poor/absent grid, High Diesel Opex Need for Diesel Saving Solutionsd
www.sedemac.com
Unreliable grid  High DG usage
High Diesel Opex Cost
Source: GSMA report on East Africa
Telecom Market

4.  Telecom DGs run often under part-load
 Part-load operation at “full-load speed”  Inefficiency
www.sedemac.com
Variable Speed DG Concept
 Choose speed based on load
 Lower speeds at part loads 
Substantial fuel saving
 Accepted by major towercos
(eg Bharti’s P7 program)
Variable Speed DGs
VARIABLE SPEED DGs  DIESEL CONSUMPTION REDUCTION

5. Econoseek
 Reliable, retrofit-ready, variable speed solution for Telecom DG
 Applicable to installed ACDGs as well as new DGs
 15%+ savings in diesel consumption. Sample site data
Site # DG rating LPH @
Fixed Speed
www.sedemac.com
 Low Capex  Attractive RoI
LPH with
Econoseek
% Fuel
Saving
1 15 KVA 2.2 1.4 39%
2 15 KVA 1.6 1.1 31%
3 15 KVA 2.0 1.5 25%
4 15 KVA 2.2 1.8 19%
5 15 KVA 2.8 2.4 15%
15%+ DIESEL OPEX SAVING ACHIEVED ON FIELD

6. Econoseek I-18
Actuates fuel injection
pump of engine
www.sedemac.com
Econoseek Reader
Board (ERB)
Senses alternator load,
interface with I-18
Panel
Includes Genset
Controller + components
to interact with PIU/SMPS
Econoseek: Components
COMPONENTS OF KIT UNDER PRODUCTION

7.  Reliable, retrofit-ready, variable speed solution for Telecom DG
 Compact: can be carried on a motorcycle to the site
 Can be installed in half a day by any technician
 Applicable to both - Installed ACDGs as well as new DGs
 15% to 20% diesel savings actually measured on multiple sites
 < 1 year payback for a towerco
 Field proven reliability across India
 Variable speed operation  Discourages power theft
FIELD PROVEN, RETRO-FITTABLE, LOW CAPEX, OPEX SAVING SOLUTION
www.sedemac.com
Econoseek: Summary