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Power Transformer

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Power Transformer Specifications and Standards

A power transformer may be best defined as an electrical device aimed at transferring alternating current or voltage from one electric circuit to another through electromagnetic induction. Power transformers can have features for electrical isolation, power distribution, and control and instrumentation applications. Power transformers can be configured as either a single-phase primary configuration or a three-phase configuration.

The operating principle of power transformers is quite simple. The transformer basically consists of a number of coils of insulated wire wound on a laminated steel core. When voltage is introduced to one coil, known as the primary, it magnetizes the iron core. A voltage is then induced in the other coil, known as the secondary or output coil. The change of voltage between the primary and secondary coils depends on the turn ratio of the two coils.

Transformers are not restricted to one output coil. In fact, they can provide complete range of voltage sources from the one input coil by using separate windings on the secondary side. This makes transformers very versatile for supplying complete systems with all of their voltage requirements from one source.

Power transformers are the most common class of transformers and they have been built for a power of 1300 megavolt-amperes and a voltage of 750 kilovolts. Specifying a power transformer entails lot of research, hard-work, and knowledge. In reality though, you need to come up with a specification that would best suit your needs.

Power Transformers are designed and manufactured to meet specific customer requirements and specifications along with the applicable standards. The important specifications to consider when searching for power transformers include maximum secondary voltage rating, maximum secondary current rating, maximum power rating, and output type. A transformer may provide more than one secondary voltage value. The Rated Power of the transformer is the sum of the VA (Volts x Amps) for all of the secondary windings.

The function of power transformers is to convert one voltage to another at high power level. Power transformers are used in electronic circuits and come in many different types and applications. Power transformers are sometimes considered to be those with ratings of 300 volt-amperes and below. These transformers normally provide power to the power supply of an electronic device, such as in power amplifiers in audio receivers.

Power transformers can be designed either as a toroidal transformer or as a laminated transformer. Toroidal transformers have copper wire wrapped around a cylindrical core so the magnetic flux, which occurs within the coil, doesn't leak out. Besides, the coil efficiency is perfect and the magnetic flux has little influence on other components. Laminated transformers, on the other hand contain laminated-steel cores and they are known as E-I transformers. These steel laminations are insulated with a non-conducting material like varnish, and then formed into a core that reduces electrical losses.

Power transformers can be one of several different types. These include autotransformer, control transformer, current transformer, distribution transformer, general-purpose transformer, instrument transformer, isolation transformer, potential (voltage) transformer, power transformer, step-up transformer, and step-down transformer. Again, there are different types of mountings for power transformers that include chassis mount, dish or disk mount, enclosure or free standing, h frame, and PCB mount.

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Find Power Transformer On eBay Below:

LIONEL FASTRACK TERMINAL train fasttrack CONNECTION SECTION 036 6 12015 T NEW
LIONEL FASTRACK TERMINAL train fasttrack CONNECTION SECTION 036 6 12015 T NEW
$6.44
LIONEL LEGACY 360 W POWERMASTER O GAUGE train power house watt 360W 6 82883 NEW
LIONEL LEGACY 360 W POWERMASTER O GAUGE train power house watt 360W 6 82883 NEW
$184.84
LIONEL TRANSFORMER Power Supply CW 80 Transformer
LIONEL TRANSFORMER Power Supply CW 80 Transformer
$49.50
LIONEL 54 Watt WALL PACK Transformer Power Supply for FASTRACK New 54w
LIONEL 54 Watt WALL PACK Transformer Power Supply for FASTRACK New 54w
$39.90
6 POWER CORD FOR LIONEL TRAINS ZW TRANSFORMERS DOWN TO THE SMALLER TRANSFORMERS
6 POWER CORD FOR LIONEL TRAINS ZW TRANSFORMERS DOWN TO THE SMALLER TRANSFORMERS
$7.95
vintage Lionel O gauge track transformer POWER connectors large lot TK 2
vintage Lionel O gauge track transformer POWER connectors large lot TK 2
$2.95
LIONEL 36 WATT POWER PACK WALL UNIT TRANSFORMER FOR LION CHIEF LOCOMOTIVES NEW
LIONEL 36 WATT POWER PACK WALL UNIT TRANSFORMER FOR LION CHIEF LOCOMOTIVES NEW
$20.00
LIONEL LIONCHIEF 36 WATT POWER SUPPLY TRANSFORMER + 10 STRAIGHT FASTRACK TRACK
LIONEL LIONCHIEF 36 WATT POWER SUPPLY TRANSFORMER + 10 STRAIGHT FASTRACK TRACK
$30.00
LIONEL O GAUGE FASTRACK LIONCHIEF POWER SUPPLY 100 120V 60HZ 05A 6 37191 10
LIONEL O GAUGE FASTRACK LIONCHIEF POWER SUPPLY 100 120V 60HZ 05A 6 37191 10
$12.84
Marx LightsTransformer Uncoupler  Powered Switches
Marx LightsTransformer Uncoupler Powered Switches
$54.95
AMERICAN FLYER LINES S GUAGE 18 B POWER CONTROLLER 190 WATT  TRANSFORMER
AMERICAN FLYER LINES S GUAGE 18 B POWER CONTROLLER 190 WATT TRANSFORMER
$39.00
Lionel O gauge ZW Transformer 6 22982 with fair box  2 power packs
Lionel O gauge ZW Transformer 6 22982 with fair box 2 power packs
$199.00
LIONEL LIONCHIEF 72 WATT POWER SUPPLY 4 AMP SKU6 81603 NEW
LIONEL LIONCHIEF 72 WATT POWER SUPPLY 4 AMP SKU6 81603 NEW
$48.00
Power Repair Kit for Lionel Transformer V Z VW  ZW w L Power Cord C 10
Power Repair Kit for Lionel Transformer V Z VW ZW w L Power Cord C 10
$13.99
Lionel Trains Type 1015 Transformer 45 Watt Power
Lionel Trains Type 1015 Transformer 45 Watt Power
$13.99
Marx Southern Pacific 6000 Powered train engine  45 watt transformer both work
Marx Southern Pacific 6000 Powered train engine 45 watt transformer both work
$49.50
Lionel 40W Transformer w Power Rail
Lionel 40W Transformer w Power Rail
$25.00
FOR LIONEL LIONCHIEF LOCOMOTIVES 36 WATT POWER SUPPLY TRANSFORMER NEW IN BOX
FOR LIONEL LIONCHIEF LOCOMOTIVES 36 WATT POWER SUPPLY TRANSFORMER NEW IN BOX
$20.00
Lionel Trains Type 1010 Transformer 35 Watt Power  Control Speed Controller
Lionel Trains Type 1010 Transformer 35 Watt Power Control Speed Controller
$5.99
LIONEL FASTRACK 40x60 OVAL LIONCHIEF TERMINAL EXPAND PLAY  POWER BRICK pnp NEW
LIONEL FASTRACK 40x60 OVAL LIONCHIEF TERMINAL EXPAND PLAY POWER BRICK pnp NEW
$12.51
LIONEL FASTRACK 036 CURVE TERMINAL POWER RC TRACK LIONCHIEF 6 12015 RCTP NEW
LIONEL FASTRACK 036 CURVE TERMINAL POWER RC TRACK LIONCHIEF 6 12015 RCTP NEW
$34.84
LIONEL TRANSFORMER POWER SUPPLY LOCKON DISNEY MICKEY MOUSE WORLD TOUR TRAIN
LIONEL TRANSFORMER POWER SUPPLY LOCKON DISNEY MICKEY MOUSE WORLD TOUR TRAIN
$49.00
LIONEL LEGACY 1L COMMAND BASE O GAUGE train power pack control 6 37156 NEW
LIONEL LEGACY 1L COMMAND BASE O GAUGE train power pack control 6 37156 NEW
$124.84
LIONEL 0103 HO POWER PACK TRANSFORMER INSTRUCTIONS ORIGINAL
LIONEL 0103 HO POWER PACK TRANSFORMER INSTRUCTIONS ORIGINAL
$10.99
LIONEL TRAINS 81495 O Gauge Power Supply 40 Watt Transformer
LIONEL TRAINS 81495 O Gauge Power Supply 40 Watt Transformer
$75.31
LIONEL O GAUGE FASTRACK LIONCHIEF PLUS 72 WATT POWER SUPPLY WIRE 6 81603 MIB
LIONEL O GAUGE FASTRACK LIONCHIEF PLUS 72 WATT POWER SUPPLY WIRE 6 81603 MIB
$49.99
L embossed Lionel Power Cord Replacement For Transformers 6 ft 18 AWG tinned
L embossed Lionel Power Cord Replacement For Transformers 6 ft 18 AWG tinned
$7.50
Lionel Type 4090 40 VA Transformer Layout Ready Good Power Cord Speckled Case
Lionel Type 4090 40 VA Transformer Layout Ready Good Power Cord Speckled Case
$53.59
LIONEL TRANSFORMER ACCESSORY 2 PACK o gauge building scenery train 6 83215 NEW
LIONEL TRANSFORMER ACCESSORY 2 PACK o gauge building scenery train 6 83215 NEW
$18.84
10 Lionel L Power Cords B 292 for Lionel transformers 10 Total Free Shipping
10 Lionel L Power Cords B 292 for Lionel transformers 10 Total Free Shipping
$32.95
LIONEL TRANSFORMER power supply pack train AC control CW 80 FREE SHIPPING NEW
LIONEL TRANSFORMER power supply pack train AC control CW 80 FREE SHIPPING NEW
$134.84
MTH Z 4000 O GAUGE 400 WATT TRANSFORMER train power pack control 40 4000 NEW
MTH Z 4000 O GAUGE 400 WATT TRANSFORMER train power pack control 40 4000 NEW
$498.84
LIONEL 54 Watt WALL PACK Transformer Power Supply for FASTRACK New 54w
LIONEL 54 Watt WALL PACK Transformer Power Supply for FASTRACK New 54w
$35.00
LIONEL FASTRACK ACCESSORY CONNECTION TRACK POWER WIRE lockon connector 6 12053
LIONEL FASTRACK ACCESSORY CONNECTION TRACK POWER WIRE lockon connector 6 12053
$6.84
Lionel Fastrack CW Transformer Terminal Track Power Wire Connector 48 S T
Lionel Fastrack CW Transformer Terminal Track Power Wire Connector 48 S T
$5.49
LIONEL FASTRACK LOCK ON POWER TERMINAL WIRE CONNECTOR TRANSFORMER Black S
LIONEL FASTRACK LOCK ON POWER TERMINAL WIRE CONNECTOR TRANSFORMER Black S
$3.49
Lionel Fastrack CW Transformer Terminal Track Power Wire Connector 48 S Spade
Lionel Fastrack CW Transformer Terminal Track Power Wire Connector 48 S Spade
$4.99
Lionel 1033 Transformer 90 Watts of Power Updated Cleaned watch video
Lionel 1033 Transformer 90 Watts of Power Updated Cleaned watch video
$90.00
Power Repair Kit for Lionel Transformer KW w L Power Cord C 10
Power Repair Kit for Lionel Transformer KW w L Power Cord C 10
$12.99
LIONEL CW 80 WATT TRANSFORMER IN BOX train 6 14198 NEW in LIONEL ORANGE BOX
LIONEL CW 80 WATT TRANSFORMER IN BOX train 6 14198 NEW in LIONEL ORANGE BOX
$139.84


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