1. (): , .
2. .
3. .
1. , () (. 12.1). , , , .
() |
. 12.1. ()
, , .
, . . . . (, , ..). , . (, , ) , .. . ( , , ) . , , , .
() , . :
, ;
();
(- , , );
.
, , .. . , , .
, , ( ).
(R) , , - . MRP (MP), (MR) , (): MRP = MP × MR.
(MRC) - .
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: , , (MRP) (MRC), ..
MRP = MRC.
(. 12.2) ( MRP) ( MRC) (P). , : MRP = Px = MRC. (MRP) (MRC = Px).
. 12.2.
, , () ( ) .
, :
.
, , . - n- . , , MRP , . .
= 1.
2. : 1) , ; 2) , . , ( ), .
. , - (Wo), , . (S) (MRC).
(D) (MRP). , .
, . , MRP= MRC.
, . , . . . - , 3-4 , .
3. , . , .
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. , . : , , , , , , , , - ..). . .
, : , -, . ( ) ( ). . .
, . . . , , .
( , ) .
, . , , . .
, - . , . , .
. (rn) , . , , , . (r) , , .. . .
: r = (100 + rn) / Ip,
r - ;
rn ;
Ip .
- .
- . . , .
- , , , .
- (r) (i). , r = i; r > i; r i.
. , -, . , .
(. 12.5), . , : - (.12.6):
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De = D/ + D /,
De- ;
D/ - ;
D/ .
P |
De |
D |
D |
/ |
/ |
Q |
P |
P3 |
P2 |
P1 |
SE |
ESE = 0 |
Q |
Q =const |
) )
. 12.5. ) , )
, , . .
, , . , .
(Pn) . , , , .
(Pn) = 100 %.
1. (- ).
2. .
3. .
1. 2 , 10 . , , .
1. , . MRPf = Pf = 10 . MRPf MRPf = MPf = P. = 2, 10 = MPf×2; MPf = 5.
, MPf 5, MRPf 10 .
2. Qd = 5.000 10R, Qd , R . , 1.000. , 20%.
2. :
Qd(R) = Qs(R). , : 5.000-10R = 1.000.
R = 400.
, : (Pn) = 100 %,
n = 400 / 0,2 = 2.000. 2.000 .