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Sell KEL & TDPS alternators(AC Generators)
AC Generators
TD Power Systems puts the power back in your hands, with high
quality AC Genarators ranging 1.0MW(Low Tension/High
Tension) to 35 MW(High Tension) for Diesel Engine/Gas
Turbine/Steam Turbine/Water Turbine Applications.
TD Power Systems keeps pace with changing times and
changing technologies. The state-of-the-art AC Generators
designed by Toyo Denki Seizo K.K, Japan and appreciated by
impeccable performance, are now manufactured at our hi-tech
manufacturing plant in Dabaspet,Bangalore.
At home in the toughest of environments and the most arduous
conditions,these
High capacity AC generators are specially suitable for
Cement,Steel,Synthetic,Rubber,Paper,Automobile,Non-ferrous
and Polylibre Industries.
The power of Japanese Technology
TD Power Systems is backed by the technological expertise of
Toko Denki Seizo K.K, Japan a global leader in the electric
industry,since 1918. this multi-product Company has been
preferred partner providing power generating solutions to some
of the world's most reputed companies. Now this same expertise
is accessible to you in Bangalore as experts from Tokyo Denki
Seizo K.K Japan ensure that their AC Generators adhere to the
design, manufacturing practices,quality processes and testing
standards laid down.
The power to surge ahead
Whatever may be your industry, Power Generators from TDPS, you will find,are at the heart of vital
power supply.They are reliable,efficient and maintenance-free.
Meeting your power needs- the standard specifications of TDPS-Toyo Denki Generators
v Rated output(kVA) 1000 to 45000
v Phase 3, Options of 4 Leads/6 Leads
v Rated voltage (V) -415,3300,6600,11000 and 13800
v Rated power factor 0.8 lagging
v Frequency (Hz) -50,60
v Voltage regulation +-0.25%
v Insulation Class F
v Ambient 45C
v Rated speed(rpm) -428 rpm to 1500 rpm
v Construction: Cylindrical Rotor
v Bearing : Ball/Roller/Sleeve Type Double /Single
v Lubrication: Grease Lubricated/Oil Lubricated
v Open type IP 21/22/23 for air-cooled generators
v Totally enclosed inner cooling type with air to water cooler mounted on generator IC 8A 1 W 7 (
side and top mounted coolers)
v Totally enclosed inner cooling type, with air to water cooler installed underground, IC 9A
1W7(bottom mounted cooler)
v Applicable standards: IS, IEC, JEC
The power to generate a brighter future
What makes generators from TD Power Systems the perfect solution to your power needs? Take a
behind-the-scenes look at the construction of our Generators.
TD Power Systems offers air/water cooled generators in frame sizes 84,100,110,125,145,172,210 and
250. These come with fully laminated cylindrical rotor as standard construction.
TDPS - Toyo Denki generators come with the following advantages.
v High efficiencies for maximum power generation
v Compact size,minimizing space requirements
v Lower unit weights to keep down the initial investment during installation, commissioning,
maintenance and inspection
v Low Noise
v Axial removal of rotor possible without shifting the stator and without distrubing cables, bus bar
and water connections.
Stator
Stator Frame: Made of welded mild steel plate construction capable of withstanding the
mechanical/electrical vibrations and ensuring effective flow of cooling air.
Stator Core: Stampings are of cyclindrical shape, made of good quality, low loss silicon steel sheets
with ventilation ducts placed at suitable lamination thickness to enable the cooling of interior
core.Finished stamping stack is rigidly welded at stator frame.
Stator Winding: High voltage coils are formed in diamond shape using rectangular copper strips ,preinsulated
with enamel and glass covering of Class F grade insulation.
The coils are inserted into the open slots in the stator core, which are then closed with non-magnetic/
magnetic wedges.
The end windings are secured,lashed and braced with glass fibre cord to withstand short circuit forces.
The whole stator is Vaccum Pressure Impregnated (VPI) . After the impregnation and curing process ,
the whole unit forms a rigidly fills all the voids in the stator windings and results in better heat transfer
from conductor to stator core.
Rotor
Shaft- Made of forged steel.
Rotor Core- Made of thin steel sheets punched in circular shape with slots. The rotor core is rigidly
fitted on the shaft. Ducts are provided in the core for proper cooling of the rotor coils.Damper windings
are provided on the outer periphery of the core.
Field Winding- Flat type copper wires are bent edgewise, formed and inserted in slots, rigidly fixed by
wedges. Winding end parts are fixed by resi-glass binding enabling the construction to withstand the
centrifugal force.
The wound rotor is dynamically balanced to ensure low vibration.
Bearing
v Depending upon the application, out-put and speed , the Generators are supplied with roller, ball or
sleeve bearing.Antrifiction- ball/ roller type are provided for smaller capacity generators.
v Large capacity generators are fitted with sleeve bearing.
Construction of sleeve bearing
v Two sleeve bearings with bracket type mounting.
v Forced lubricated system provided as standard . Self- lubrcating system is provided for low speed
generators.
v Sleeve bearing with white metal on cast steel base metal.
v Automatic center adjusting type supports the outer periphery by spherical seat.
v Bracket provides strength to support the weight of the rotor.
v Labyrinth construction prevents the leaking of lubricating oil to the outer part.
v non drive end bearing is insulated, to prevent shaft current.
Exciter and the rotating rectifier assembly
Brushless exciter and rotating rectifier assembly mounted on the same shaft of the main AC Generator
supplies the required excitation to the generator
PMG(Optional)
Permanent magent generator as Pilot exciter is provided as an optional feature for better.
v Waveform since the automatic voltage regular derives it's supply from PMG and is isolated from the
AC Generator output terminal. The harmonic current from the load is prevented from passing to the
AVR, thereby reducing the voltage distortion.
v Positive voltage build-up, as residual is no longer required.
v Ability to sustain short circuit current in the event of faults.
v Better motor starting capability with lowered voltage dips
Excitation System
All our generators come with imported digital AVRs of BASLER or ABB make.
AVR is machine mounted in case of smaller capacity generators and a separate AVR cum Excitation Panel
is provided for generators with larger capacities.
AVR cum Excitation Panel is dust proof and vermin protected.This panel is freestanding, floor mounted
cubicle conforming to IP 42 constrauction consisting of the following main features.
v Voltage regulation : < = 0.25%
v Voltage variation : 10%
v One Auto and one manual mode as standard.( Dual Auto mode- one main and one hot standby,can
be provided as optional feature)
v Soft start voltage build up
v Aux QDC for parallel operation
v Volts-per-Hertz limiter
v Automatic P.F controller
v Field flashing for shunt excitation
v Excitation field ammeter and voltmeter
v DFR Unit
v PT fuse protection
v Field over voltage protection
TD - Open type air-cooled machine.
TC - Totally enclosed water-cooled machines
The machines are with F insulation and temperature rise restricted to class F
Ambient 40 Deg C
Enclosure for open type machines - IP 21
Enclosure for closed type machines - IP44
For slow speed machines, TC frames can also be offered.
| Minimum Order: 1 |
| Delivery Lead Time: 6 month(s) |
| Supply Ability: 50 |
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