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- 㳿 670, (.2.1, ) 㳿 ;
- 㳿 671 60- (.2.1, ). 㳿 .
2.1 - 㳿
2.1, . 1-2 1-2, . , 㳿 , , . 2.1, .
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㳿 672 (. 2.2, ), 㳿 ;
- 㳿 673 (. 2.2, ), 㳿 .
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2.2 -
(.2.3). .
, 㳿 , 璺 (. 2.4).
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, , UH, H t N W=N∙KIH∙KUH∙H.
ij 㳿 W
W=Pt=(UA∙IA∙cosφA+UB∙IB∙cosφB+UC∙IC∙cosφC)∙t
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W=Pt=(UA∙IA∙sinφA+UB∙IB∙sinφB+UC∙IC∙sinφC)∙t.
. 2.3. . 2.4.
, . 2.5.
2.5 -
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1 2 = 1/5 , . 1 2 UH = 220/100.
㳿 670 㳿 673.
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2. = 1/5 KUH = 220/100 㳿. , , Na Nb . IA, IB, IC, UA, UB, UC φA, φB, φC (. 2.2).
: 380 V; 5 ; 1 k∙Wh (1k Varh) 1750 .
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2.2 -
- | Na | Nb | UA | UB | UC | IA | IB | IC | cos φA | cos φB | cos φC |
V | A | ||||||||||
1.8 | 0.94 | 0.91 | 0.95 | ||||||||
1.7 | 1.7 | 0.81 | 0.83 | ||||||||
1.6 | 1.6 | 0.83 | 0.83 | ||||||||
1.7 | 1.7 | 0.84 | 0.81 | - | |||||||
1.4 | 2.4 | 1.2 | 0.8 | ||||||||
1.9 | 0.5 | 2.2 | 0.02 | 0.8 | 1.0 | ||||||
2.3 | 1.6 | 1.1 | 0.83 | 0.03 | 0.83 | ||||||
1.4 | 1.9 | 1.8 | 1.0 | 1.0 | 0.83 | ||||||
1.9 | 1.8 | 0.9 | 0.83 | 0.03 | 0.03 | ||||||
1.9 | 1.8 | 0.9 | 0.83 | 0.03 | 0.03 |
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