Description and operation
SF
6
gas monitoring
M20--002EN03
10/10
02--2011
© ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liability and is subject to change without notice. Reproduction, use or disclosure to third parties, without express written authority, is
strictly prohibited.
GRID
Values of the SF
6
gas effective pressures in accordance with the temperature
Rated pressure
0.85 MPa
down to --25
°
C
Values of theSF
6
gaseffective pressures (
MPa
) corrected in accordance with
temperature for an atmospheric pressure of 101.3 kPa :
t
_
C
p
re
p
ae
p
me
t
_
C
p
re
p
ae
p
me
--25
0,685
0,575
0,571
18
0,844
0,707
0,695
--24
0,689
0,578
0,573
19
0,848
0,710
0,698
--23
0,693
0,582
0,576
20
0,851
0,713
0,701
--22
0,696
0,585
0,579
21
0,855
0,716
0,704
--21
0,700
0,588
0,582
22
0,859
0,720
0,707
--20
0,704
0,591
0,585
23
0,862
0,723
0,710
--19
0,707
0,594
0,588
24
0,866
0,727
0,713
--18
0,711
0,597
0,591
25
0,870
0,731
0,716
--17
0,715
0,600
0,594
26
0,873
0,735
0,719
--16
0,718
0,603
0,597
27
0,877
0,738
0,722
--15
0,722
0,606
0,600
28
0,881
0,742
0,725
--14
0,726
0,609
0,602
29
0,885
0,746
0,727
--13
0,730
0,612
0,605
30
0,888
0,749
0,730
--12
0,733
0,615
0,608
31
0,892
0,753
0,733
--11
0,737
0,618
0,611
32
0,896
0,757
0,736
--10
0,741
0,621
0,614
33
0,899
0,760
0,739
--9
0,744
0,624
0,617
34
0,903
0,764
0,742
--8
0,748
0,627
0,620
35
0,907
0,768
0,745
--7
0,752
0,630
0,623
36
0,910
0,771
0,748
--6
0,755
0,633
0,626
37
0,914
0,775
0,751
--5
0,759
0,637
0,629
38
0,918
0,779
0,754
--4
0,763
0,640
0,632
39
0,921
0,782
0,757
--3
0,766
0,643
0,634
40
0,925
0,786
0,759
--2
0,770
0,646
0,637
41
0,929
0,790
0,762
--1
0,774
0,649
0,640
42
0,932
0,794
0,765
0
0,778
0,652
0,643
43
0,936
0,797
0,768
1
0,781
0,655
0,646
44
0,940
0,801
0,771
2
0,785
0,658
0,649
45
0,944
0,805
0,774
3
0,789
0,661
0,652
46
0,947
0,808
0,777
4
0,792
0,664
0,655
47
0,951
0,812
0,780
5
0,796
0,667
0,658
48
0,955
0,816
0,783
6
0,800
0,670
0,661
49
0,958
0,819
0,786
7
0,803
0,673
0,664
50
0,962
0,823
0,788
8
0,807
0,676
0,666
51
0,966
0,827
0,791
9
0,811
0,679
0,669
52
0,969
0,830
0,794
10
0,814
0,682
0,672
53
0,973
0,834
0,797
11
0,818
0,685
0,675
54
0,977
0,838
0,800
12
0,822
0,689
0,678
55
0,980
0,842
0,803
13
0,825
0,692
0,681
56
0,984
0,845
0,806
14
0,829
0,695
0,684
57
0,988
0,849
0,809
15
0,833
0,698
0,687
58
0,992
0,853
0,812
16
0,837
0,701
0,690
59
0,995
0,856
0,815
17
0,840
0,704
0,693
60
0,999
0,860
0,818
Summary of Contents for FKG1X
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