Current Transformers SM6 24 cubicles
Feasibility range and referenced types
Catalogue 2004 Number: C019 rev. 1 pag. 1/20
CONTENTS
CURRENT TRANSFORMER RECOMMENDATIONS FOR THE USE OF TABLES AND TECHNICALS NOTES
Page 3,4, 3,4,5 5 and and 6
PANEL TYPE CRM REFERENCED TYPES
ARJP1/N2 F ARJP2/N2 F
Page 7 Page 11
CONFIGURED TYPES
ARJP1/N1 F and ARJP1/N2 F ARJP2/N1 F, ARJP2/N2 F an and ARJP2/N3 F
Page 8 and 9 Page 12 and 13
REFERENCED TYPES
ARJP1/N2 F
Page 7
CONFIGURED TYPES
ARJP1/N1 F and ARJP1/N2 F
Page 8 and 9
PANEL TYPE QMC
PANEL TYPE DMV-A, DMV-D, IMC REFERENCED TYPES
ARJP2/N2 F
Page 11
CONFIGURED TYPES
ARJP1/N1 F and ARJP1/N2 F ARJP2/N1 F, ARJP2/N2 F an and ARJP2/N3 F
Page 8 and 9 Page 12 and 13
PANELS TYPE 1250A
DM1-A, DM1-D, DM1-W, DM1-Z, GBC-A, GBC-B, DMV-A, DMV-D
REFERENCED TYPES
ARJP3/N2 F
Page 15
CONFIGURED TYPES
ARJP3/N1 F, ARJP3/N2 F and ARJP3/N3 F
Page 16
PANELS TYPE DM1-A, DM1-D, DM1-W, DM2, GBC-A, GBC-B REFERENCED TYPES
ARM3/N2 F
Page 18
CONFIGURED TYPES
ARM3/N1 F and ARM3/N2 F
Page 19
NOTE:
N1, N2 and N3 MEAN THE NUMBER OF SECONDARIES F MEANS THAT THERE IS NOT BASE PLATE
pag. 2/20
CURRENT TRANSFORMERS
PREFERABLY USE the equipment selected and marked as REFERENCED
RECOMMENDATIONS FOR THE USE OF THE RECOMMENDATIONS FEASIBILITY AND COMPUTATION SUPPORTS
_______________ ¶
CHECK NEEDS AND NECESSARY INFORMATION ACCURATELY
·
USE EQUIPMENT MARKED AS REFERENCE
¸
CHECK READLY AVAILABLE FEASIBILITY SECTIONS DIRECTLY TO APPLY KEYS TO FEASIBILITY TABLES CORRECTLY, PLEASE SEE ON PAGE 4
¹
USE ALSO ELONET TO CHECK FEASIBILITY
º
CONSULT US IF FEASIBILITY RANGE IS NOT AVAILABLE OR OR FOR OTHERS OTHERS CHARACTERISTIC CHARACTERISTICS S
pag. 3/20
KEYS TO THE VARIOUS TABLES TO DEFINE FEASIBILITY
1)
Defi Define ne Ipn Ipn rrat ated ed pr prim imar ary y cur curre rent nt Use primary values defined by standard (IEC): 10, 12,5, 20, 25, 30, 40, 50, 60 and 75 A and their decimal multiples.
2)
Defin Definee Ith Ith rated rated shortshort-tim timee therm thermal al curr current ent for 1 secon second d Short-circuit current usually lasts 1 second. Should this value be different (equal to a lenght "t"), calculate calculate the following:
Ith (for 1 sec.) = Ith x √t example:
3)
25 kA for for 3 sec. sec. >> 25 x √3 = 43,3 kA for 1 sec.
Calc Calcul ulat atee coef coeffi fici cien entt "K "K" " The above reperesents the key to the various tables
Ith for 1 sec.
K= exam exampl ple: e:
4)
Ipn Ipn
Ipn = 100 100 A , Ith = 12,5 12,5 kA 1 sec. sec. >> K = 1250 12500 0 / 100 100 = 125
Find Findin ing g pos posit itio ion n on on tthe he tabl tablee Locate column "K" and stop on the line corresponding to a value higher than K. exam exampl ple: e:
5)
K calcu calculat latee value value = 125 125 >> ligne ligne K = 150 150
Check feasibility A possible current transformer will feature the performances shown in the columns identified identified by boxes : For perotection secondary is true, only for choosing in the catalogue, the following formule:
VA x FL = constant example: 10VA 5P10 ( VA x FL= 10 x 10= 100 ) >> 5VA 5P20 ( VA x FL= 5 x 20= 100 )
pag. 4/20
TECHNICAL NOTES Diagrams of the terminals markings according to IEC standard.
SINGLE RATIO P1
P2
P1
S1
S2
1S 1
CT with ONE SECONDARY WINDING
F
P2
1S2
2S1
2S2
P1
1S1
CT with TWO SECONDARY WINDINGS
P2
1S2
2S1
2S2
3S1
3S2
CT with THREE SECONDARY WINDINGS
WARNING ! The secondary open winding of a CT is dangereus! The unused secondary windings of a CT must be short-circuited. pag. 5/20
Current transformer with DOUBLE RATIO through primary coulping. types ARM3 Burden values are the same for both ratios. P1
C1
C2
P2
SERIAL PRIMARY COUPLING LOW RATIO
P1
C1
C2
P2
PARALLEL PRIMARY COUPLING HIGH RATIO
RATI O through connection on secondary. Current transformer with DOUBLE RATIO types ARJP1, ARJP2, ARJP3
P1
S1
S2
P2
P1
S3
1S1
CT with ONE SECONDARY WINDING
P2
1S2
1S3
2S1
2S2
2S3
CT with TWO SECONDARY WINDINGS
S1-S2 LOW RATIO S1-S3 HIGH RATIO
1S1-1S2 2 2S S1- 2S2 1S1-1S3 2S 2S1- 2S3
LOW RATIO HIGH RATIO
H Burden values are different for each of the two ratios
F
WARNING ! The secondary open winding of a CT is dangereus! The unused secondary windings of a CT must be short-circuited. pag. 6/20
REFERENCED CURRENT TRANSFORMERS Type ARJP1/N2 F Panel type CRM - QMC
Dimensions
Drawing n° H 103441
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 24 kV Rated continous thermal current 1,2 x In Frequency 50 and 60 Hz
CTs type ARJP1/N2F Re f e r e n c e n um b e r
Ra t i o
Sh o r t - t i m e cu r r e n t I th t (kA) ( s)
( A /A )
1 st secon dar y
2nd secondary
51238639F0
1 0/5-5
1,2
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238640F0
2 0/5-5
2,4
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238641F0
3 0/5-5
3,6
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238643F0
5 0/5-5
6
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238644F0
7 5/5-5
10
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238645F0
100/5-5
10
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238646F0
150/5-5
10
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
51238647F0
200/5-5
10
1
15 VA cl. 0,5 F s<1 0
2,5 VA 5P20
For others characteristics see next page. pag. 7/20
CONFIGURED CURRENT TRANSFORMER Type ARJP1/N1 F - ARJP1/N2 F Single Primary Ratio SR Panels type CRM, DMV-A, DMV-D, IMC, QMC Dimensions
Drawing n° H 103441
Characteristics Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A.
Table of options: N° of secondaries for CT
1
2
STANDARD TYPE
ARJP1/N1 F
ARJP1/N2 F 1st measure secondary
Classe 0,5 Fs = 10 VA 5 7,5 10 15 20 20 30 30 30 30 30
alternatively
" K"
Ip n
measure secondary
protection secondary
2nd protection secondary
K=Ith/Ipn
Rated primary
Cl. 0,5 Fs=10
Cl. 5P Fl=10
Cl. 5P Fl=10
Ith max
current [A]
VA
VA
VA
25 kA for 1s
SR
100
10 to 800
150
10 to 150
200
10 to 100
250
10 to 100
300
10 to 75
400
10 to 50
7,5 10 15 15 20 30 30 50 5 7,5 10 15 20 20 30 30 50 5 5 5 7,5 7,5 5 10 10 15 20 30 30 50
For others characteristics please contact us. pag. 8/20
CONFIGURED CURRENT TRANSFORMER Type ARJP1/N1 F Double Primary Ratio DR Panels type CRM, DMV-A, DMV-D, IMC, QMC Dimensions
Drawing n° H 103441
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A. Double primary ratio through connection to secondary.
Value “K=Ith/Ipn” must de fixed in comparison with the smaller rated primary current ratio . Values of outputs are gived for the smaller ratio, for the high ratio they are the double. Table of options: N° of secondaries for CT
1
STANDARD TYPE
ARJP1/N1 F
alternatively
" K"
Ipn
measure secondary
protection secondary
K=Ith/Ipn
Rated
Class 0,5
Class 5P
primary
Fs = 10
Fl = 10
I t h ma ma x
current [A]
VA
VA
25 kA for 1s
DR
100
10-20 to 400-800
150
10-20 to 150-300
200
10-20 to 100-200
250
10-20 to 100-200
300
10-20 to 75-150
400
10-20 to 50-100
7 ,5 ,5 1 0 15 2 0 3 0 5 0 5 7 , 5 1 0 1 5 2 0 3 0 50
For others characteristics please contact us. pag. 9/20
REFERENCED CURRENT TRANSFORMERS Type ARJP2/N2 F Dimensions
Drawing n° H 103442
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 24 kV Rated continous thermal current 1,2 x In Frequency 50 and 60 Hz
Panel ty type CRM CTs type ARJP2/N2F Reference n um b e r
Ratio
Short-time current I th t (kA) ( s)
( A/ A ) 5 1 23 8 22 3F 0
50 / 5-5
25
1
1st secondary
2 n d s ec o n d a r y
10VA cl.0,5 Fs10
2, 5 VA 5P2 0
Panels nels type DMV-A, DM DMV-D, IM IMC CTs type ARJP2/N2F R eference
R atio
number
hort-time curren
1st secondary
2nd secondar y
I th
t
(A/A)
(kA)
(s)
51238223F0
50 / 5-5
25
1
10 V A cl . 0, 5 F s 10
2, 5 VA 5 P 20
51238224F0
1 00 / 5 - 5
25
1
15 V A cl . 0, 5 F s 10
2, 5 VA 5 P 20
51238225F0
2 00 / 5 - 5
25
1
15 V A cl . 0, 5 F s 10
5VA 5P20
51238226F0
4 00 / 5 - 5
25
1
15 V A cl . 0, 5 F s 10
5VA 5P20
3730519
6 00 / 5 - 5
25
1
2 0 V A cl . 0 , 5 F s < 10
7, 5 VA 5 P 20
For others characteristics see next page. pag. 11/20
CONFIGURED CURRENT TRANSFORMER Type ARJP2/N1 F - ARJP2/N2 F - ARJP2/N3 F Single Primary Ratio SR Panels type CRM, DMV-A, DMV-D, IMC Dimensions
Drawing n° H 103442
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A.
Table of options: n° of secondaries for CT
1
2
3
STANDARD TYPE
ARJP2/N1 F
ARJP2/N2 F
ARJP2/N3 F 1st measure sec.
Class 0,5 Fs = 10 VA 5 10 15 20 20 30 1st measure secondary
2nd protection sec.
Class 0,5 Fs = 10
Class 5P Fl = 10
VA
VA
5 7,5 10 15 15 20 20 30 30 30 30 30 30 5
alternatively
5 7,5 10 15
"K"
Ip n
measure secondary
protection secondary
2nd protection secondary
3rd protection sec.
K=Ith/Ipn
Rated
Class 0,5
Class 5P
Class 5P
Class 5P
primary
Fs = 10
Fl = 10
FI = 10
Fl = 15
Ith max
current [A]
VA
VA
VA
VA
25 kA for 1sec.
SR
100 150 200 250 300 400 500
10 to 800
7,5 10 15 20 30 30 50 5 7,5 10 15 20 30 30 50 50 5
5
5 7,5 5 10 10 10 15 20 30 30 50 50 5
5 7,5 10 15
10 to 300 10 to 250 10 to 200 10 to 150 10 to 100 10 to 100 Switch to smaller ler type ARJP1
For others characteristics please contact us. pag. 12/20
CONFIGURED CURRENT TRANSFORMER Type ARJP2/N1 F - ARJP2/N2 F Double Primary Ratio DR Panels type CRM, DMV-A, DMV-D, IMC Dimensions
Drawing n° H 103442
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A. Double primary ratio through connection to secondary.
Value “K=Ith/Ipn” must de fixed in comparison with the smaller rated primary current ratio . Values of outputs are gived for the smaller ratio, for the high ratio they are the double.
Table of options: N° of secondaries for CT
1
2
STANDARD TYPE
A RJ P2/ N1 F
A RJ P2/ N2 F 1st measure secondary
Cl. 0,5 Fs=10 VA 5 7 , 5 10 10 1 5 2 0 2 0 3 0 3 0 3 0 3 0 3 0
alternatively
" K"
Ipn
measure secondary
protection secondary
2nd protection secondary
K=Ith/Ipn
Rated primary
Cl. 0,5 Fs=10
Cl. 5P Fl=10
Cl. 5P Fl=10
current [A]
VA
VA
VA
25 kA for 1s
DR
7 , 5 10 1 0 1 5 20 20 3 0 5 0
5 7 , 5 10 1 0 1 5 20 20 3 0 5 0
100
10-20 to 400-800
150
10-20 to 150-300
200
10-20 to 100-200
250
10-20 to 100-200
300
10-20 to 75-150
400
10-20 to 50-100
500
10-20 to 50-100
Ith
max
5
5
5 7,5
5 1 0 1 0 1 5 2 0 30 30 5 0
Switch to the smaller type ARJP1
For others characteristics please contact us. pag. 13/20
REFERENCED CURRENT TRANSFORMERS Type ARJP3/N2 F Panels type DM1-A 1250A, DM1-D 1250A, DM1-W 1250A, DM1-Z 1250A, GBC-A 1250A, GBC-B 1250A, DMV-A 1250A, DMV-D 1250A
Dimensions
Drawing n° H 103443
Characteristics Standard reference IEC 60044-1 Rated highest voltage : 24 kV Rated continous thermal current 1,2 x In Frequency 50 and 60 Hz
CTs type ARJP3/N2F Reference number
Ratio
Short-time current I th t
1st secondary
2nd secondary
(A/A)
(kA)
(s)
3730521
1000 / 5-5
25
1
30 VA cl. 0,5 Fs<10
10 VA 5P20
3730522
1250 / 5-5
25
1
30 VA cl. 0,5 Fs<10
10 VA 5P20
3730525
1000 / 1-1
25
1
30 VA cl. 0,5 Fs<10
10 VA 5P20
3730526
1250 / 1-1
25
1
30 VA cl. 0,5 Fs<10
10 VA 5P20
For others characteristics see next page. pag. 15/20
CONFIGURED CURRENT TRANSFORMER Type ARJP3/N1 F - ARJP3/N2 F - ARJP3/N3 F Single and Double Primary Ratio Panels type DM1-A 1250A, DM1-D 1250A, DM1-W 1250A, DM1-Z 1250A, GBC-A 1250A, GBC-B 1250A, DMV-A 1250A, DMV-D 1250A Dimensions
Drawing n° H 103443
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A. Double primary ratio through connection to secondary.
Values of outputs are gived for the smaller ratio, for the high ratio they are the double.
Table of options: N° of secondaries for CT
1
2
3
STANDARD TYPE
ARJ P3/N1 F
ARJP3/N2 F
ARJ P3/N3 F 1st measure sec.
Cl. 0,5 Fs=10 VA 5 10 15 20 30 1st measure s econdary
2nd protection sec.
Class 0,5
Cl. 5P Fl=10
VA
VA
5 7,5 7,5 10 15 20 20 20 30 30 30 30 30 30 5
alternatively
5 7,5 7,5 10 15 15
Ipn Ip n
m ea sur e se co nd ar y
protection secondary
2nd protection secondary
3rd protection sec.
Rated primary
C l. 0, 5 Fs =1 0
Cl . 5 P F l= 1 0
Cl. 5P Fl=10
Cl. 5P Fl=15
current [A]
VA
VA
VA
VA
SR
DR
7,5 10 15 15 20 20 30 50 50 5 7,5 10 15 15 20 20 30 50 50 5
5
5 7,5 5 10 10 10 15 15 20 30 30 50 50 5
5 7,5 10 15
750 800 1000 1200 1250 400-800 500-1000 600-1200
For others characteristics please contact us. pag. 16/20
REFERENCED CURRENT TRANSFORMERS Type ARM3/N2 F Panel type DM1-A, DM1-D, DM1-W, DM2, GBC-A, GBC-B Dimensions
Drawing n° H 103005
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 24 kV Rated continous thermal current 1,2 x In Frequency 50 and 60 Hz Double primary ratio through primary coupling.
CTs type ARM3/N2F Reference number
Ratio
Short-time current I th t
1st secondary
2nd secondary
(A/A)
(kA)
(s)
5 13 0 3 12 2 F 0
40-20 / 5-1
12,5
0,8
7,5VA 0,5s Fs<10
1VA 10P30
5 13 0 3 12 3 F 0
100-50 / 5-1
12,5
0,8
7,5VA 0,5s Fs<10
1VA 10P30
5 13 0 3 12 4 F 0
200-100 / 5-1
12,5
1
7,5VA 0,5s Fs<10
1VA 10P30
5 13 0 3 12 5 F 0
400-200 / 5-1
12,5
1
7,5VA 0,5s Fs<10
1VA 10P30
3 731 09 0
10-20 / 5-5
5
1
7,5 VA cl. 0,5 Fs<10
5 VA 5P10
3 731 09 2
15-30 / 5-5
8
1
7,5 VA cl. 0,5 Fs<10
5 VA 5P10
3 731 09 4
20-40 / 5-5
12,5
0,8
7,5 VA cl. 0,5 Fs<10
5 VA 5P10
3 731 09 6
25-50 / 5-5
12,5
1
7,5 VA cl. 0,5 Fs<10
5 VA 5P10
3 731 09 7
25-50 / 5-5
12,5
0,8
7,5 VA cl. 0,5 Fs<10
5 VA 5P10
3 731 09 8
50-100 / 5-5
21
1
7,5 VA cl. 0,5 Fs<10
5 VA 5P15
3 731 09 9
50-100 / 5-5
14,5
1
30 VA cl. 0,5 Fs<10
5 VA 5P15 - 7,5 VA 5P10
3 731 10 0
75-150 / 5-5
25
1
7,5 VA cl. 0,5 Fs<10
5 VA 5P15
3 731 10 1
75-150 / 5-5
16
1
30 VA cl. 0,5 Fs<10
5 VA 5P15 - 7,5 VA 5P10
3 731 10 2
100-200 / 5-5
25 20
1 2
7,5 VA cl. 0,5 Fs<10
5 VA 5P15
3 731 10 3
100-200 / 5-5
16
1
30 VA cl. 0,5 Fs<10
7,5 VA 5P15 - 15 VA 5P10
3 731 10 4
200-400 / 5-5
25 20
1 2
7,5 VA cl. 0,5 Fs<10
5 VA 5P15
3 731 10 5
200-400 / 5-5
25
1
30 VA cl. 0,5 Fs<10
7,5 VA 5P15 - 15 VA 5P10
3 731 70 8
300-600 / 5-5
25 20
1 2
7,5 VA cl. 0,5 Fs<10
5 VA 5P15
3 73042 6
300-600 / 5-5
25
1
30 VA cl. 0,5 Fs<10
7,5 VA 5P15 - 15 VA 5P10
For others characteristics see next page. pag. 18/20
CONFIGURED CURRENT TRANSFORMER Type ARM3/N1 F - ARM3/N2 F Single and Double Primary Ratio Panels Panels type type DM1-A, DM1-D, DM1-W, DM2, GBC-A, GBC-B GBC-B
Dimensions
Drawing n° H 103005
Characteristics
Standard reference IEC 60044-1 Rated highest voltage : 7,2 - 12 - 17,5 - 24 KV Rated continous thermal current 1,2 x In Frequency 50 or 60 Hz Rated secondary current standard 5 or 1 A Double primary ratio through primary coupling.
Value “K=Ith/Ipn” must de fixed in comparison with the smaller rated primary current ratio .
Table of options: N° of secondaries for CT
1
2
STANDARD TYPE
ARM3/N1 F
ARM3/N2 F 1st measure secondary
Cl 0,5 Fs=10 VA 5 7,5 7,5 10 10 15 20 20 30 30 30 30 30
alternatively
"K"
Ipn
measure se secondary
protection secondary
2nd pr protection se secondary
K=Ith/Ipn
Rated primary
Cl 0,5 Fs=10
Cl 5P Fl=10
Cl 5P Fl=10
Ith max
current [A]
VA
VA
VA
25 kA for 1s
SR
DR
100 100
10 to 800 800
10-2 10-200 to 400400-80 8000
150 150
10 to 300 300
10-2 10-200 to 300300-60 6000
200 200
10 to 300 300
10-2 10-200 to 300300-60 6000
250 250
10 to 200 200
10-2 10-200 to 200200-40 4000
300 300
10 to 150 150
10-2 10-200 to 150150-30 3000
400 400
10 to 100 100
10-2 10-200 to 100100-20 2000
500 500
10 to 50
10-20 -20 to 100-20 -200
7,5 10 15 15 20 20 30 50 50 5 7,5 10 10 15 15 20 20 30 50 50 5 5 5 7,5 5 10 10 10 15 15 20 30 30 50 50
For others characteristics please contact us. pag. 19/20
