Best Price for Resistance Welding Aluminum Alloys - Neutral Grounding Resistor, NGR EGR – Wepower

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Our corporation insists all along the quality policy of "product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" plus the consistent purpose of "reputation very first, purchaser first" for Grounding Resistor For Generator, Type Of Neutral Grounding Resistor, Purpose Of Dynamic Braking Resistor, We are highly aware of quality, and have the certification ISO/TS16949:2009. We are dedicated to supply you high quality products with reasonable price.

Best Price for Resistance Welding Aluminum Alloys - Neutral Grounding Resistor, NGR EGR – Wepower Detail:

█ Product Features

1. Voltage range：0.33 ～110KV

2. Rated Current: 1～5000A

3. Resistance Range：0.1Ω∽1500Ω

4. Working time: 5s，10s，30s，60s，10mins，working continuous

5. Ingress Protection：IP20～IP55

6. Installation：Indoor、Outdoor;

7. Auxiliary parts: disconnecting switch, circuit breaker, CT, PT etc.

8. Resistor temperature rise:

1）Rated time :10s, maximum temperature rise≤760K；

2）Rated time : 10s<t<10mins, maximum temperature rise ≤610K;

3）Working continuous, maximum temperature rise ≤385K;

█ Wire Diagram

The electrical connection mode between neutral point three-phase AC power grid and earth, called grounding mode for neutral point. Neutral point grounding resistor principle diagram as follows:

Neutral point of transformer, the grounding resistor has two ways:

On the secondary side the transformer is a star connection method, the neutral point grounding resistor straight. (see Figure.1)

On the secondary side the transformer is a triangle connection method, the neutral point grounding transformer grounding through grounding transformer. (see Figure. 2)

█ Production Selection Table

6.3KV series neutral grounding resistor selection table, as following:

Type	Neutral Voltage		Resistance	Fault Current	Rated Time	Protection Class	Enclosure
	Line Voltage	Phase Voltage	Resistance	Fault Current	Rated Time	Protection Class	Length	Width	High
	KV	KV	[Ω]	[A]	[s]	IP	[mm]	[mm]	[mm]
TNGR	6.3	3.64	72.8	50	10	IP2X	800	1000	1180
TNGR	6.3	3.64	36.4	100	10	IP2X	800	1000	1180
TNGR	6.3	3.64	18.2	200	10	IP2X	800	1000	1180
TNGR	6.3	3.64	14.6	250	10	IP2X	800	1000	1180
TNGR	6.3	3.64	12.1	300	10	IP2X	800	1000	1180
TNGR	6.3	3.64	9.1	400	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	7.3	500	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	6.1	600	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	4.6	800	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	3.6	1000	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	3.0	1200	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	2.6	1400	10	IP2X	1000	1000	1180
TNGR	6.3	3.64	2.3	1600	10	IP2X	1000	1000	1180

10.5KV series neutral grounding resistor selection table，as following:

Type	Neutral Voltage		Resistance Value	Fault Current	Rated Time	Protection	Enclosure
	Line Voltage	Phase Voltage	Resistance Value	Fault Current	Rated Time	Protection	Length	Width	High
	KV	KV	[Ω]	[A]	[s]	IP	[mm]	[mm]	[mm]
TNGR	10.5	6.06	121.2	50	10	IP2X	800	1000	1480
TNGR	10.5	6.06	60.6	100	10	IP2X	800	1000	1480
TNGR	10.5	6.06	30.3	200	10	IP2X	800	1000	1480
TNGR	10.5	6.06	24.3	250	10	IP2X	800	1000	1480
TNGR	10.5	6.06	20.2	300	10	IP2X	800	1000	1480
TNGR	10.5	6.06	15.2	400	10	IP2X	1000	1000	1480
TNGR	10.5	6.06	12.2	500	10	IP2X	1000	1000	1480
TNGR	10.5	6.06	10.1	600	10	IP2X	1000	1000	1480
TNGR	10.5	6.06	7.6	800	10	IP2X	1200	1000	1480
TNGR	10.5	6.06	6.1	1000	10	IP2X	1200	1000	1480
TNGR	10.5	6.06	5.1	1200	10	IP2X	1200	1000	1480
TNGR	10.5	6.06	4.3	1400	10	IP2X	1200	1000	1480
TNGR	10.5	6.06	3.8	1600	10	IP2X	1200	1000	1880
TNGR	10.5	6.06	3.4	1800	10	IP2X	1200	1000	1880

20KV series neutral grounding resistor selection table，as following：

Type	Neutral Voltage		Resistance Value	Fault Current	Rated Time	Protection	Enclosure
	Line Voltage	Phase Voltage	Resistance Value	Fault Current	Rated Time	Protection	Length	Width	High
	KV	KV	[Ω]	[A]	[s]	IP	[mm]	[mm]	[mm]
TNGR	20	11.55	231	50	10	IP2X	1300	2300	2300
TNGR	20	11.55	115.5	100	10	IP2X	1300	2300	2300
TNGR	20	11.55	57.7	200	10	IP2X	1300	2500	2300
TNGR	20	11.55	46.2	250	10	IP2X	1300	2700	2300
TNGR	20	11.55	38.5	300	10	IP2X	1300	2700	2300
TNGR	20	11.55	28.9	400	10	IP2X	1300	2500	2300
TNGR	20	11.55	23.1	500	10	IP2X	1300	2500	2300
TNGR	20	11.55	19.3	600	10	IP2X	1300	2700	2300
TNGR	20	11.55	14.4	800	10	IP2X	2100	2500	2000
TNGR	20	11.55	11.6	1000	10	IP2X	2100	2500	2000
TNGR	20	11.55	9.6	1200	10	IP2X	2100	2500	2000
TNGR	20	11.55	8.3	1400	10	IP2X	2100	2500	2000
TNGR	20	11.55	7.2	1600	10	IP2X	2100	2700	2000
TNGR	20	11.55	6.4	1800	10	IP2X	2100	2700	2000
TNGR	20	11.55	5.8	2000	10	IP2X	2100	2700	2000

35KV series neutral grounding resistor selection table，as following：

Type	Neutral Voltage		Resistance Value	Fault Current	Rated Time	Protection	Enclosure
	Line Voltage	Phase Voltage	Resistance Value	Fault Current	Rated Time	Protection	Length	Width	High
	KV	KV	[Ω]	[A]	[s]	IP	[mm]	[mm]	[mm]
TNGR	35	20.2	404.6	50	10	IP2X	1600	2600	2524
TNGR	35	20.2	202.3	100	10	IP2X	1600	2600	2524
TNGR	35	20.2	101.2	200	10	IP2X	1600	2800	2524
TNGR	35	20.2	80.9	250	10	IP2X	1600	3000	2524
TNGR	35	20.2	67.4	300	10	IP2X	1600	3000	2524
TNGR	35	20.2	50.6	400	10	IP2X	1600	2800	2524
TNGR	35	20.2	40.5	500	10	IP2X	1600	2800	2524
TNGR	35	20.2	33.7	600	10	IP2X	1600	3000	2524
TNGR	35	20.2	25.3	800	10	IP2X	2400	2800	2144
TNGR	35	20.2	20.2	1000	10	IP2X	2400	2800	2144
TNGR	35	20.2	16.9	1200	10	IP2X	2400	2800	2144
TNGR	35	20.2	14.5	1400	10	IP2X	2400	2800	2144
TNGR	35	20.2	12.6	1600	10	IP2X	2400	3000	2144
TNGR	35	20.2	11.2	1800	10	IP2X	2400	3000	2144
TNGR	35	20.2	10.1	2000	10	IP2X	2400	3000	2524

Remark: For other technical parameters & requirements, please contact with our company’s business man.

Stainless steel resistors ,CT is optional(if other equipment like grounding transformer, isolating switch, vacuum contactor and the rated time ＞10S, the enclosure dimensions will be adjusted )

█ Main Executive Standard

• Specification for neutral-earth resistance in distribution system

• Insulation co-ordination of high voltage transmission and transformation equipment

• Degrees of protection provided by enclosure

• Current transformers

• High-voltage ceramic wall bushings technical specification

• High voltage post insulators ceramic material Part 1: Technical Specification

• High voltage test techniques Part 1: General requirements

• Requirements, Terminology and Test Procedure for Neutral Grounding Devices

█ Ordering Information

1. Rated voltage

2. Rated current

3. Resistance value

4. Rated time

5. Inlet and outlet way

6. Cabinet material、color

7. CT parameter

8. Grounding transformer parameter

9. Class of protection

10. Operating environment

11. Other special requirements, etc.

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Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Best Price for Resistance Welding Aluminum Alloys - Neutral Grounding Resistor, NGR EGR – Wepower , The product will supply to all over the world, such as: Brunei, Bandung, Bolivia, Qualified R&D engineer might be there for your consultation service and we will try our best to meet your requirements. So you should feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely present you with the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we're here to welcome your inquiries for any of our merchandise and service.

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By Nora from Canada - 2017.05.02 11:33

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By Judith from Indonesia - 2018.05.22 12:13

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Best Price for Resistance Welding Aluminum Alloys - Neutral Grounding Resistor, NGR EGR – Wepower

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Product Detail

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█ Product Features

█ Wire Diagram

█ Production Selection Table

█ Main Executive Standard

█ Ordering Information

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