An overview of the
LZZBJ12-10 current transformer is suitable for rated frequency 50 hz, rated voltage up to and including 10 kv indoor device of power system, used for electrical measurement and protection in power, especially suitable for the cabinet of wide and narrow chest use
Types of meaning
Technical parameters
1. The rated insulation level: 12/42/75 kv
2. The rated frequency 50 hz
3. A current rating: 5-3150 - a
4. The secondary current is 5 a rating
5. The basic classes combination: 0.5/5 p
6. Level measurement instrument security systems: FS < 10
7. SP level accuracy limit factor: SP10
8. Partial discharge level GB7354-87 standard and IEC185 transformer partial discharge test, its power is not more than 20 PC now
9. The load power factor 0.8 (lag)
10. Accurate grade levels corresponding rated output, rated current timely are shown in table 1
Technical Parameters
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10 |
5 |
0.2S/10P10 |
10/15 |
0.5 |
1.25 |
|
0.5/10P10 |
10/15 |
||||
|
10 |
0.2S/10P10 |
10/15 |
1 |
2.5 |
|
|
0.5/10P10 |
10/15 |
||||
|
15 |
0.2S/10P10(15) |
10/15 |
1.5 |
3.75 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
1.5 |
3.75 |
||
|
0.5/10P10(15) |
15/15 |
||||
|
20 |
0.2S/10P10(15) |
10/15 |
3.0 |
7.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
2.0 |
5 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
30 |
0.2S/10P10(15) |
10/15 |
4.5 |
11.25 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
3.0 |
7.5 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
40 |
0.2S/10P10(15) |
10/15 |
3.0 |
15 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
4.5 |
11.25 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
50 |
0.2S/10P10(15) |
10/15 |
7.5 |
18.75 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
5.0 |
12.5 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
60 |
0.2S/10P10(15) |
10/15 |
9.0 |
22.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
6.0 |
15 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
75 |
0.2S/10P10(15) |
10/15 |
10 |
25 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
7.5 |
18.5 |
||
|
0.5/10P10(15) |
10/15 |
||||
|
100 |
0.2S/10P10(15) |
10/15 |
15 |
37.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P10(15) |
10/15 |
10 |
25 |
||
|
0.5/10P10(15) |
10/15 |
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/150b2s |
150 |
0.2S/10P10(15) |
10/15 |
22.5 |
56 |
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
15 |
37.5 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
200 |
0.2S/10P10(15) |
10/15 |
31.5 |
80 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
21 |
52.5 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
250 |
0.2S/10P10(15) |
10/15 |
45 |
112.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
31.5 |
80 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
300 |
0.2S/10P10(15) |
10/15 |
45 |
112.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
31.5 |
80 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
400 |
0.2S/10P10(15) |
10/15 |
45 |
112.5 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
45 |
112.5 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
500 |
0.2S/10P10(15) |
10/15 |
63 |
130 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
45 |
112.5 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
600 |
0.2S/10P10(15) |
10/15 |
80 |
160 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
63 |
130 |
||
|
0.5/10P15(15) |
15/15 |
||||
|
800 |
0.2S/10P10(15) |
10/15 |
80 |
160 |
|
|
0.5S/10P10(15) |
10/15 |
||||
|
0.2/10P/15(15) |
10/15 |
80 |
160 |
||
|
0.5/10P15(15) |
20/15 |
||||
|
1000 |
0.2S/10P10(15) |
15/20 |
80 |
160 |
|
|
0.5S/10P10(15) |
15/20 |
||||
|
0.2/10P/15(15) |
15/20 |
80 |
160 |
||
|
0.5/10P15(15) |
20/20 |
||||
|
1200,1250 |
0.2S/10P10(15) |
15/20 |
100 |
160 |
|
|
0.5S/10P10(15) |
15/20 |
||||
|
0.2/10P/15(15) |
15/20 |
100 |
160 |
||
|
0.5/10P15(15) |
20/20 |
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/185b2s |
5 |
0.2S/10P10 |
10/20 |
1.0 |
2.5 |
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
0.2 |
1.25 |
||
|
0.5/10P15 |
20/20 |
||||
|
10 |
0.2S/10P10 |
10/20 |
2.0 |
5.0 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
1.0 |
2.5 |
||
|
0.5/10P15 |
20/20 |
||||
|
15 |
0.2S/10P10 |
10/20 |
4.5 |
11.25 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
1.5 |
3.75 |
||
|
0.5/10P15 |
20/20 |
||||
|
20 |
0.2S/10P10 |
10/20 |
3.0 |
15 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
3.0 |
7.5 |
||
|
0.5/10P15 |
20/20 |
||||
|
30 |
0.2S/10P10 |
10/20 |
12 |
30 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
4.5 |
11.25 |
||
|
0.5/10P15 |
20/20 |
||||
|
40 |
0.2S/10P10 |
10/20 |
16 |
40 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
6.0 |
15 |
||
|
0.5/10P15 |
20/20 |
||||
|
50 |
0.2S/10P10 |
10/20 |
21 |
52.5 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
7.5 |
18.75 |
||
|
0.5/10P15 |
20/20 |
||||
|
60 |
0.2S/10P10 |
10/20 |
21 |
52.5 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
9.0 |
22.5 |
||
|
0.5/10P15 |
20/20 |
||||
|
75 |
0.2S/10P10 |
10/20 |
31.5 |
80 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
10 |
25 |
||
|
0.5/10P15 |
20/20 |
||||
|
100 |
0.2S/10P10 |
10/20 |
45 |
112.5 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
21 |
52.5 |
||
|
0.5/10P15 |
20/20 |
||||
|
150 |
0.2S/10P10 |
10/20 |
45 |
112.5 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
31.5 |
80 |
||
|
0.5/10P15 |
20/20 |
||||
|
200 |
0.2S/10P10 |
10/20 |
45 |
112.5 |
|
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
45 |
112.5 |
||
|
0.5/10P15 |
20/20 |
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/185b2s |
250 |
0.2S/10P10 |
10/20 |
45 |
112.5 |
|
0.5S/10P10 |
10/20 |
||||
|
0.2/10P/15 |
10/20 |
45 |
112.5 |
||
|
0.5/10P15 |
20/20 |
||||
|
300 |
0.2S/10P10 |
10/30 |
63 |
30 |
|
|
0.5S/10P10 |
10/30 |
||||
|
0.2/10P/15 |
10/20 |
45 |
112.5 |
||
|
0.5/10P15 |
2020 |
||||
|
400 |
0.2S/10P10 |
10/30 |
63 |
130 |
|
|
0.5S/10P10 |
10/30 |
||||
|
0.2/10P/15 |
10/20 |
63 |
130 |
||
|
0.5/10P15 |
20/20 |
||||
|
500 |
0.2S/10P10 |
10/30 |
63 |
130 |
|
|
0.5S/10P10 |
10/30 |
||||
|
0.2/10P/15 |
10/20 |
63 |
130 |
||
|
0.5/10P15 |
20/20 |
||||
|
600 |
0.2S/10P10 |
10/30 |
80 |
160 |
|
|
0.5S/10P10 |
10/30 |
||||
|
0.2/10P/15 |
10/20 |
80 |
160 |
||
|
0.5/10P15 |
20/20 |
||||
|
800 |
0.2S/10P10 |
15/30 |
80 |
160 |
|
|
0.5S/10P10 |
15/30 |
||||
|
0.2/10P/15 |
15/20 |
80 |
160 |
||
|
0.5/10P15 |
30/20 |
||||
|
1000 |
0.2S/10P10 |
15/30 |
80 |
160 |
|
|
0.5S/10P10 |
15/30 |
||||
|
0.2/10P/15 |
15/20 |
90 |
160 |
||
|
0.5/10P15 |
30/20 |
||||
|
1200,1250 |
0.2S/10P10 |
15/30 |
100 |
160 |
|
|
0.5S/10P10 |
15/30 |
||||
|
0.2/10P/15 |
15/20 |
100 |
160 |
||
|
0.5/10P15 |
30/20 |
||||
|
1500,2500 |
0.2S/10P10 |
20/30 |
100 |
160 |
|
|
0.5S/10P10 |
20/30 |
||||
|
0.2/10P/15 |
30/30 |
100 |
160 |
||
|
0.5/10P15 |
60/30 |
||||
|
300,3150 |
0.2S/10P10 |
20/30 |
100 |
160 |
|
|
0.5S/10P10 |
20/30 |
||||
|
3000,3150(1) |
0.2/10P/15 |
30/30 |
100 |
160 |
|
|
0.5/10P15 |
60/30 |
||||
|
3000,3150(2) |
0.2s/10P/15 |
20/20 |
100 |
160 |
|
|
0.5s/10P15 |
20/20 |
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/185B/4S |
20,30,40,50,75,100 |
0.2S/0.2/5P10 |
10/10/40 |
150|1n |
375|1n |
|
0.2S/0.5/5P15 |
10/15/30 |
||||
|
0.5S/0.5/5P20 |
10/15/20 |
||||
|
0.2S/5P10/10P15 |
10/20/20 |
||||
|
0.5S/5P10/10P20 |
10/20/15 |
||||
|
150,200 |
0.2S/0.2/5P10 |
10/10/40 |
31.5 |
80 |
|
|
0.2S/0.5/5P15 |
10/15/30 |
||||
|
0.5S/0.5/5P20 |
10/15/20 |
||||
|
0.2S/5P10/10P15 |
10/20/20 |
||||
|
0.5S/5P10/10P20 |
10/20/15 |
||||
|
300,400 |
0.2S/0.2/5P10 |
10/10/40 |
45 |
112.5 |
|
|
0.2S/0.5/5P15 |
10/15/30 |
||||
|
0.5S/0.5/5P20 |
10/15/20 |
||||
|
0.2S/5P10/10P15 |
10/20/20 |
||||
|
0.5S/5P10/10P20 |
10/20/15 |
||||
|
500 |
0.2S/0.2/5P10 |
10/10/40 |
63 |
130 |
|
|
0.2S/0.5/5P15 |
10/15/30 |
||||
|
0.5S/0.5/5P20 |
10/15/20 |
||||
|
0.2S/5P10/10P15 |
10/20/20 |
||||
|
0.5S/5P10/10P20 |
10/20/15 |
||||
|
600,800 |
0.2S/0.2/5P10 |
10/10/40 |
63 |
130 |
|
|
0.2S/0.5/5P15 |
10/20/40 |
||||
|
0.5S/0.5/5P20 |
10/20/30 |
||||
|
0.2S/5P10/10P15 |
10/20/30 |
||||
|
0.5S/5P10/10P20 |
10/20/20 |
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/150B/4S |
20,30,40,50,75,100 |
0.2S/0.2/5P10 |
10/10/30 |
150|1n |
375|1n |
|
0.2S/0.5/5P15 |
10/20/20 |
||||
|
0.2S/0.5/5P20 |
10/10/15 |
||||
|
0.2S/5P10/10P15 |
10/10/15 |
||||
|
0.5S/5P10/10P20 |
10/10/10 |
||||
|
150,200 |
0.2S/0.2/5P10 |
10/10/30 |
31.5 |
80 |
|
|
0.2S/0.5/5P15 |
10/20/20 |
||||
|
0.2S/0.5/5P20 |
10/10/15 |
||||
|
0.2S/5P10/10P15 |
10/10/15 |
||||
|
0.5S/5P10/10P20 |
10/10/10 |
||||
|
300,400 |
0.2S/0.2/5P10 |
10/10/30 |
45 |
112.5 |
|
|
0.2S/0.5/5P15 |
10/15/20 |
||||
|
0.2S/0.5/5P20 |
10/15/15 |
||||
|
0.2S/5P10/10P15 |
10/15/20 |
||||
|
0.5S/5P10/10P20 |
15/15/15 |
||||
|
500 |
0.2S/0.2/5P10 |
10/10/30 |
63 |
130 |
|
|
0.2S/0.5/5P15 |
10/15/20 |
||||
|
0.2S/0.5/5P20 |
10/15/15 |
||||
|
0.2S/5P10/10P15 |
10/15/20 |
||||
|
0.5S/5P10/10P20 |
15/15/15 |
||||
|
600,800 |
0.2S/0.2/5P10 |
10/10/30 |
63 |
130 |
|
|
0.2S/0.5/5P15 |
10/15/20 |
||||
|
0.2S/0.5/5P20 |
10/15/15 |
||||
|
0.2S/5P10/10P15 |
10/15/20 |
||||
|
0.5S/5P10/10P20 |
15/15/15 |
||||
|
1000,1200,1250 |
0.2S/0.2/5P10 |
15/15/20 |
80 |
160 |
|
|
0.2S/0.5/5P15 |
15/20/20 |
||||
|
0.2S/0.5/5P20 |
10/20/15 |
||||
|
0.2S/5P10/10P15 |
15/15/20 |
||||
|
0.5S/5P10/10P20 |
20/15/15 |
Other optional technical parameters
|
Model |
Rated primary current |
Accuracy class combination |
Rated output |
Short-time thermal current |
Rated dynamic stability current |
|
LZZBJ12-10AS12/185B/4S |
1000,1200,1250 |
0.2S/0.2/5P10 |
15/15/40 |
85 |
160 |
|
0.2S/0.5/5P15 |
15/30/30 |
||||
|
0.2S/0.5/5P20 |
10/30/20 |
||||
|
0.2S/5P10/10P15 |
15/30/30 |
||||
|
0.5S/5P10/10P20 |
30/30/20 |
||||
|
1500 |
0.2S/0.2/5P10 |
15/15/40 |
100 |
160 |
|
|
0.2S/0.5/5P15 |
15/30/40 |
||||
|
0.2S/0.5/5P20 |
15/30/30 |
||||
|
0.2S/5P10/10P15 |
15/30/30 |
||||
|
0.5S/5P10/10P20 |
30/30/20 |
||||
|
2000 |
0.2S/0.2/5P10 |
15/15/40 |
100 |
160 |
|
|
0.2S/0.5/5P15 |
15/30/40 |
||||
|
0.2S/0.5/5P20 |
15/30/30 |
||||
|
0.2S/5P10/10P15 |
15/30/30 |
||||
|
0.5S/5P10/10P20 |
30/30/20 |
||||
|
2500 |
0.2S/0.2/5P10 |
20/20/40 |
100 |
160 |
|
|
0.2S/0.5/5P15 |
20/40/40 |
||||
|
0.2S/0.5/5P20 |
20/40/30 |
||||
|
0.2S/5P10/10P15 |
20/30/30 |
||||
|
0.5S/5P10/10P20 |
40/30/20 |
||||
|
3000,3150 |
0.2S/0.2/5P10 |
20/20/40 |
100 |
160 |
|
|
0.2S/0.5/5P15 |
20/40/30 |
||||
|
0.2S/0.5/5P20 |
20/40/20 |
||||
|
0.2S/5P10/10P15 |
20/20/20 |
||||
|
0.5S/5P10/10P20 |
40/20/15 |
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