Category
33kv Indoor Single-Phase Epoxy Resin Casting Type Current Transformer for Metering 11kv, 24kv,
GENERAL This type of voltage transformer adopts epoxy-resin vacuum casting and fully closed single-phase structure for i
Basic Info
Model NO. | LZZBW |
Insulating Medium | Epoxy Resin |
Installation | Extension Type |
Magnetic Circuit Structure | Single Stage Type |
Voltage Transformation Principle | Electromagnetic Type |
Transport Package | Export Box |
Trademark | DGG |
Origin | China |
HS Code | 8504311000 |
Production Capacity | 100000PCS/Year |
Product Description
GENERALThis type of voltage transformer adopts epoxy-resin vacuum casting and fully closed single-phase structure for indoor use, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 10kV, used for electric energy metering and voltage measurement.It complies with the standards GB 20840.1-2010 Instrument transformers-Part1:General requirements, GB 20840.3-2013 Instrument transformers-Part3:Additional requirements for inductive for inductive voltage transformers, and JJG314-2010 Instrument Voltage Transformers.
NORMAL ENVIRONMENTAL CONDITIONS
1. Altitude: Should not exceed 4000m2.Ambient temperature: -5ºC ~ +40ºC3. Air relative humidity: ≤85%4. Air relative site: Outdoors.
TECHNICAL PARAMETERS
1.Insulation level: 40.5/95/200kV2.Power factor:cosφ=0.8(lag)3. Rated secondary current: 5A or 1A4.Rated frequency: 50Hz or 60Hz5.Weight: 95kg
TECHNICAL RATIO
Single parameter ratio | ||||
Rated primary current(A) | Accuracy class | Rated output(VA) | Rated short-time thermal current(kA/s) | Rated insulation level(kA) |
50 | 0.2S/0.5/10P10/10P100.2S/0.5/10P20/10P20 | 15/15/30/3015/15/20/20 | 3.6 | 7.2 |
60 | 4.32 | 8.1 | ||
75 | 5.4 | 13.5 | ||
80 | 5.76 | 14.4 | ||
100 | 7.2 | 18 | ||
120 | 8.64 | 21.6 | ||
150 | 10.8 | 27 | ||
200 | 14.4 | 36 | ||
250 | 18 | 45 | ||
300 | 21.6 | 54 | ||
400 | 28.8 | 63 | ||
500 | 36 | 72 | ||
600 | 43.2 | 81 | ||
800 | 0.2S/0.5/10P30/10P30 | 15/15/20/20 | 57.6 | 120 |
1000-1600 | 72 | 144 |
Dual-ratio parameter | ||||
Rated primary current(A) | Accuracy class | Rated output(VA) | Rated short-time thermal current(kA/s) | Rated insulation level(kA) |
50-100 | 0.2S/0.5/10P10/10P100.2S/0.5/10P20/10P20 | 15/15/30/3015/15/20/20 | 7.2 | 18 |
60-120 | 8.64 | 21.6 | ||
75-150 | 10.8 | 27 | ||
80-160 | 11.52 | 28.8 | ||
100-200-300 | 14.4 | 36 | ||
150-300 | 21.6 | 54 | ||
200-400-600 | 28.8 | 72 | ||
250-500 | 36 | 90 | ||
300-600 | 43.2 | 108 | ||
400-800 | 57.6 | 120 | ||
500-1000 | 72 | 120 | ||
600-1200 | 72 | 144 | ||
800-1600 | 100 | 160 |
Three parameters | ||||
Rated primary current(A) | Accuracy class | Rated output(VA) | Rated short-time thermal current(kA/s) | Rated insulation level(kA) |
50-75-100 | 0.2S/0.5/10P10/10P100.2S/0.5/10P20/10P20 | 15/15/30/3015/15/20/20 | 7.2 | 18 |
75-100-150 | 10.8 | 27 | ||
100-150-200 | 14.4 | 36 | ||
150-200-300 | 21.6 | 54 | ||
200-300-400 | 28.8 | 72 | ||
300-400-500 | 36 | 90 | ||
200-400-600 | 43.2 | 108 | ||
400-600-800 | 57.6 | 120 | ||
500-600-800 | 57.6 | 144 | ||
600-800-1000 | 72 | 160 |
OUTLINE AND INSTALLATION DIMENSIONS
ORDER NOTICE
1. Please specify the model and current e.g. LZZBW-10 100/52. Please specify the accuracy class and rated output; e.g. 0.2S/10P 10/15VA3. Please contact us if there is any specific requirement.4. Please specify the order quantity and delivery time