8/6/2019 regulatori (1)

1/11

1.1

. , .

3.1

3.1

.

vk (h

m 3

), ,

, :

rrvv pk V =

,h

m 3

:

V , hm 3

,

vk ,h

m 3

,

rrv p , bar,

. 0,2 0,5 bar.

, . .

8/6/2019 regulatori (1)

2/11

3.2 . :

- - -

- - - - -

.

3.2

1.2 ,

8/6/2019 regulatori (1)

3/11

, . .

3.3 .

3.3

, . 120 180 .

, .

(Kvs/Kvr) 50.

. (8). (6) (4) (5) (10) . (7) .

8/6/2019 regulatori (1)

4/11

, (5) (4), (5), , (7) . , (11).

1.3 ,

. .

:

- , 20 30 . ( 15 ) ( 30 )

- Kvs/Kvr 100 200

- Va0.5-

-

3 3.4

8/6/2019 regulatori (1)

5/11

3.4

1.4

, .

. :1.

2.

3.5 , .

8/6/2019 regulatori (1)

6/11

8/6/2019 regulatori (1)

7/11

3.7

3.8

3.8

8/6/2019 regulatori (1)

8/11

Pkv = Pvm + PrdpPvm = 0,2 bar Pvm = 0,5 bar Pkv = 0,2 + Prdp Pkv = 0,5 + Prdp

: Pkv, bar, Pvm, bar, - Prdp, bar, -

:

:

Vsp,h

m 3

,

Kvs,h

m 3

,

3.9 .

3.9

8/6/2019 regulatori (1)

9/11

Prt_lo , .Pmt , .Pkv . Pps ,

.

:

- .

- . (

)- , - , Kvs/Kvr,

.- ,

-

:

- , -

1.5

.

3.10 .

8/6/2019 regulatori (1)

10/11

3.10

:

- ( ) S S K A p A p p F == 21

: 1 p , Pa, 2 p , Pa, S A ,

2m , -

X C F F F =

:

F C , X , m,

- M M A p F = 2

:

M A , m,

( ) M F S A p X C A p p =+ 221M F K

F F F =+

8/6/2019 regulatori (1)

11/11

( K F + F F ) .

.

. ( DN 50). () , .

3.11 .

, . , .

.

:

B BMEH A p A p p F == )( 21

3.11