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windings (e.g., by increasing the cross-sectional area of the conductor, improving the winding technique, and using materials with higher electrical conductivity, such as copper). In power transmission, voltage is stepped up to reduce current thereby reducing power loss.
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to describe the portion of the electricity lost between the generator and the consumer that is related to the load power (is proportional to the square thereof), as opposed to the
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cause the current to be unevenly distributed across the conductor, increasing its effective resistance, and making loss calculations more difficult.
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For low-frequency applications, the power loss can be minimized by employing conductors with a large cross-sectional area, made from low-
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of 1.0, meaning that every 1 watt of electrical power is converted to 1 Joule of heat. Therefore, the energy lost due to copper loss is:
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is a type of wire constructed to force the current to be distributed uniformly, thereby reducing Joule heating.
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where I is the current flowing in the conductor and R is the resistance of the conductor. With I in
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in adjacent components. The term is applied regardless of whether the windings are made of
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windings, or other electrical devices. Copper losses are an undesirable transfer of
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Guidelines on the calculation and use of loss factors for reconciliation purposes
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426:"Why is electricity transmitted at high voltages? - Electrical Classroom"
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and so are also referred to as "I squared R losses", in reference to
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Line Loss
Analysis and Calculation of Electric Power Systems
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can be improved by reducing the electrical losses in the
318:{\displaystyle {\mbox{Copper Loss}}=I^{2}\cdot R\cdot t}
248:{\displaystyle {\mbox{Copper Loss}}\propto I^{2}\cdot R}
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and R in ohms, the calculated power loss is given in
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46:. Unsourced material may be challenged and removed.
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201:of the current through the windings and in
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106:Learn how and when to remove this message
800:Rotary variable differential transformer
780:Linear variable differential transformer
189:. This states that the energy lost each
441:Wu, Anguan; Ni, Baoshan (7 June 2016).
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940:This electricity-related article is a
369:Among other measures, the electrical
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553:Condition monitoring of transformers
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44:adding citations to reliable sources
648:Toroidal inductors and transformers
944:. You can help Knowledge (XXG) by
347:With high-frequency currents, the
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398:New Zealand Electricity Authority
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683:
20:
31:needs additional citations for
820:Variable-frequency transformer
670:Transformer utilization factor
161:is often preferred. The term
153:or another conductor, such as
1:
729:Energy efficient transformer
734:Amorphous metal transformer
618:Resonant inductive coupling
558:Electrical insulation paper
332:the current is maintained.
121:is the term often given to
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477:Reduction of copper losses
271:coefficient of performance
181:Copper losses result from
681:
447:. John Wiley & Sons.
712:Distribution transformer
373:of a typical industrial
810:Solid-state transformer
717:Pad-mounted transformer
663:Transformer oil testing
328:where t is the time in
996:Electrical engineering
785:Parametric transformer
751:Instrument transformer
707:Buck–boost transformer
658:Dissolved gas analysis
319:
249:
991:Electric transformers
768:Isolation transformer
746:Grounding transformer
724:Delta-wye transformer
603:Pressure relief valve
404:. 26 June 2018. p. 8.
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207:electrical resistance
365:Reducing copper loss
280:
269:Joule heating has a
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167:electricity delivery
145:, which result from
40:improve this article
897:Mitsubishi Electric
815:Trigger transformer
805:Scott-T transformer
761:Voltage transformer
756:Current transformer
741:Flyback transformer
573:Induction regulator
336:Effect of frequency
209:of the conductors.
197:, increases as the
127:electrical currents
907:Schneider Electric
825:Zigzag transformer
795:Rotary transformer
790:Planar transformer
773:Austin transformer
628:Short-circuit test
608:Quadrature booster
578:Leakage inductance
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245:
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1001:Electricity stubs
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593:Open-circuit test
454:978-1-118-86709-9
371:energy efficiency
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187:Joule's First Law
157:. Hence the term
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57: –
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55:"Copper loss"
52:
51:Find sources:
45:
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35:
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29:This article
27:
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18:
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946:expanding it
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675:Vector group
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180:
177:Calculations
171:no-load loss
162:
159:winding loss
158:
125:produced by
118:
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102:
96:January 2021
93:
83:
76:
69:
62:
50:
38:Please help
33:verification
30:
841:Hybrid coil
643:Tap changer
583:Magnet wire
513:Transformer
353:skin effect
342:resistivity
286:Copper Loss
222:Copper Loss
165:is used in
143:core losses
135:transformer
119:Copper loss
985:Categories
866:Tesla coil
851:Oudin coil
543:Center tap
463:1062309002
386:References
203:proportion
131:conductors
66:newspapers
359:Litz wire
310:⋅
304:⋅
240:⋅
227:∝
163:load loss
155:aluminium
141:, as are
902:ProlecGE
613:Resolver
598:Polarity
588:Metadyne
344:metals.
912:Siemens
638:Synchro
563:Growler
538:Bushing
435:Sources
330:seconds
260:amperes
205:to the
129:in the
80:scholar
521:Topics
515:topics
461:
451:
379:stator
199:square
191:second
151:copper
139:energy
82:
75:
68:
61:
53:
834:Coils
694:Types
528:Balun
264:watts
195:power
193:, or
87:JSTOR
73:books
942:stub
917:TBEA
459:OCLC
449:ISBN
351:and
123:heat
59:news
887:ABB
133:of
42:by
987::
457:.
400:.
266:.
173:.
973:e
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959:v
948:.
505:e
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491:v
465:.
428:/
313:t
307:R
299:2
295:I
291:=
243:R
235:2
231:I
109:)
103:(
98:)
94:(
84:·
77:·
70:·
63:·
36:.
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