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Low Voltage Generator Product Range
LV Motor Division ,Ahmednagar India ,Industrial System
About CG
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CG- Industrial Product Offerings & Manufacturing Plants
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BV, IRS, ABS Retails Market
Mini-Hydro Projects
MahindraPowerall
RDSO Approved
Agro, Compatible withall Tractor makes
Alternators - Product Range, Applications & Approvals
Brushless Alternator - 4 Pole 5 kVA to 1010 kVA
Brushless Alternator 2 Pole –
5 to 25 kVA
Mini-hydro & Emergency
application –5 to 200 kVA
VSIG – Alternator
7.5 & 10 kW
Railway Power
car Alternator –
500 & 650 kVA
Slipring Alternator“USTAD”
5 kVA to 82.5 kVA
Product Range For Low Voltage Generator
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Projects Powerallall Tractor makes
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Global Distribution Network – LV Machines
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CG Sales Office
Distributors
Global Engine Compatibility
Aluminium Hosing ( 160 Frame 5kVA -32.5kVA)
� Brushless Alternators for telecomapplications used for battery charging andto cater BTS load for telecom towers.
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Aluminium Hosing ( 200 Frame 35kVA -90kVA)
� Brushless Alternators for Air force used inground protection unit
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Aluminium Hosing ( 250 Frame 100 kVA -200kVA)
� Brushless alternators for industrial applications asstandby power
� Brushless alternators for refineries as standby power
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315 to 400 Frame 200 kVA -90kVA)
� Brushless alternators for Back up power uses in Banks,Hospitals , Construction Site marine and industrialapplications
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Solutions for Railways
� 500KVA,750V,with and 670 kVA: Dual regulation mode and auto changeover :
� Brushless alternators suitable for providing power
to AC coaches of trains with dual regulation.
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Slipring constructions (160 Frame 5 KVA - 82.5kVA)
� Brushless and USTAD series SlipringAlternators for agricultural market
� Slipring alternators customers are usingwith tractor mounted construction.
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Alternators for Minihydro applications
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� Brushless alternators for Minihydro projects with dualregulation. These can also used for emergencyapplications like hospitals, IT, etc where DG Reliability iscrucial like operations in hospital & data for IT Sector
3 phase : 12.5 kVA-200 kVA
Alternators for hydro applications
•High Motor starting capability due to
compound excitation system.
Automatic changeover with Compact
and accurate overvoltage relay in the
event of failure of one AVR.
� Brushless alternators for minihydro projects withdual regulation .
� Standby arrangement in the event of one AVRfailure.
� 2.5 % regulation in both AVR mode
� Better motor starting properties .
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event of failure of one AVR.
SAE combinations
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MOSFET BASED AVR.
MODEL UVR-7 SMR
Type Thyrister MOSFET
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Type Thyrister MOSFET
kVA 180-650 kVA 650kVA and Above
SENSING
REGULATION ± 1 %. ± 0.5 %.
UNDER SPEED PROTECTION YES
SENSE LOSS PROTECTION YES
OVER EXCITATION PROTECTION YES
DISTANCE VOLTAGE HAND TRIMMER YES
DROOP SETTING FOR PARALLEL OPERATION YES
ANALAUGE INPUT FACILITY YES
INDICATOR LIGHTS
UFRO,SENSELOSS,
OVERECITATION
Feature AC generator with PMG Alternators with ( SPL aux. and MOSFET AVR)
Short circuit maintenance 3 times for 3 sec 3 times for 3 sec
Motor starting ~ 50 % of the kVA rating of alternator ~ 40-50 % of the kVA rating of alternator
Nonlinear Load ~ 70-75 % ~ 70-75 %
Salient Feature of CG Alternator
Resudual magnetism Positive build up Positive build up ensured with spl grade exciter and AVR
Length Overall length increase by ~300 to 400mm No length increase
Cost High initial cost ( ~ Rs 30000-40000 extra ) Low cost ( Rs:8000 extra)
Maintenance Additional Maintenance for PMG No additional maintenance
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Mini Hydro
Alternator
Product portfolio (Alternators) CG Vs Competition
110kV 220kV 800kV >1,000kV
5 to 1010 kVA
5 to 30 kVA 5 to 82.5 kVA
500 kVA650 kVA
12.5 kVA to 200 kVA
6.5 kW to 10 kW
5 to 900 kVA
7.5 to 2750 kVA
12.5 to 53 kVA
UP to 50 kW
7.5 to 2500 kVA
Brushless 4 Pole
Brushless 2 Pole
Slip ring Alternato
rV. S. I. G.
Railway Power
Car AltMarine
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kVA kVA
5 to 2250 kVA
3.5 to 63 kVA
6.5 kW to 10 kW
5 to 2000 kVA
5 to 650 kVA
5 kVA to 20 kVA
500 kVA 5 to 500 kVA
SALIENT FEATURES OF CGL ALTERNATOR
� Al. alloy gravity die cast stator body ( Up to 200 kVA) - Pleasing look &light in weight.
Competitor: Sheet metal or MS
� Lower Overall Lengths – More preferred for Acoustic enclosures.
Competitor: At par or small upto small extent due to inboard diode assembly
� Efficiencies - Better/ at par with competitors.
Competitor : At Par and Better in 1 phase EFF1 RangeCompetitor : At Par and Better in 1 phase EFF1 Range
� Spacious Terminal box with provision of double side entry – Flexibility &Ease of Al. customer cables termination inside the box.
Competitor : Double side entry
� Out-board Diode board assembly)- Ease of service.
Competitor :inboard in case ( Difficulties in service)
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� 2/3 rd pitch windings : Offers better suitability for Non-linear loads.
Competitor : At par
� Spl. Auxiliary winding as standard : Offers higher motor starting & Non-linear load withstand capability.
Competitor : Not having separate winding for AVR
SALIENT FEATURES OF CGL ALTERNATOR
� Epoxy gel treatment on Winding overhangs : Offers better suitability fortropical environment.
Competitor : At par
� Life long lubricated sealed bearings.
Competitor : At par
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� Cooling : Side cooling instead of backside which improves Cooling ofalternator in Canopy
Competitor : Backside cooling so requires some space from backside
� Parallel Operation Facilities:
SALIENT FEATURES OF CGL ALTERNATOR
� Parallel Operation Facilities:
45 kVA-160kVA : 5A input facility of QDC CT ( Without factory fitted CT)
180-1010 kVA : Factory fitted QDC CT and +/-5 V analogue inputfacility
� Competitor : 380 kVA and above . Analogue input on request .
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� Terminations : Terminations with more creepage distance upto 200Frame .
250 Frame double Decker arrangement for ease in cable termination
315 Frame : Terminal board with more creepage distance.
355-400 Frame : L-shaped terminations for ease in cable terminations.
Competitor : At par
SALIENT FEATURES OF CGL ALTERNATOR
� Alternator for PMG performance : These alternator give all PMGbenefits with low cost
Competitor : PMG more overall legths and maintenance
� Rotating field designs for slip ring alternators: Offers advantage ofminiature 2 slip rings for supplying DC excitation to filed winding withminimum of brush wear.
Competitor : Not having slipring alternator range
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For more information please contact: Richard SchembriCG Industrial SystemsT: +44 1444 390841 M: +44 7535 335832 W: www.cgglobal.comE: [email protected]
