33kv Indoor CT PT Energy Meter Casting Type Current/Voltage/ Potential Instrument Transformer

• Customization: Available
• Application: Instrument, Metering
• Type: Current Transformer
• Model NO.: LZZBW
• Phase: Single
• Operation Condition: Outdoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Extension Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Altitude: Should Not Exceed 4000m
• Ambient Temperature: -5℃-+40℃
• Air Relative Humidity: ≤85%
• Air Relative Site: Outdoors
• Insulation Level: 40.5/95/200kv
• Rated Secondary Current: 5A or 1A
• Rated Frequency: 50Hz or 60Hz
• Power Factor: Cosφ=0.8(Lag)
• Transport Package: Export Box
• Trademark: DGG
• Origin: China
• HS Code: 8504311000
• Production Capacity: 100000PCS/Year
• Package Size: 34.00cm * 24.00cm * 38.00cm
• Package Gross Weight: 38.000kg

Product Description

Photos of product

General

This 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.

Technical Parameters

1.Insulation level: 40.5/95/200kV
2.Power factor:cosφ=0.8(lag)
3. Rated secondary current: 5A or 1A
4.Rated frequency: 50Hz or 60Hz
5.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/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	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/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	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/0.5/10P10/10P10 0.2S/0.5/10P20/10P20	15/15/30/30 15/15/20/20	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

Normal Environmental Conditions

1. Altitude: Should not exceed 4000m
2.Ambient temperature: -5ºC ~ +40ºC
3. Air relative humidity: ≤85%
4. Air relative site: Outdoors

Outline And Installation Dimension


Order Notice

1. Please specify the model and current e.g. LZZBW-10 100/5
2. Please specify the accuracy class and rated output; e.g. 0.2S/10P 10/15VA
3. Please contact us if there is any specific requirement.
4. Please specify the order quantity and delivery time