MRD-NP Discharging Gap for Transformer Neutral

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 1000 unit/month

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Packaging & Delivery

Packaging Detail:	wooden case
Delivery Detail:	25-40 days against deposit

Specifications

Transformer Nuetral Grounding Protection Device
Max earthquake intensity: 8
Frequency:50Hz and 60Hz system
Max wind pressure:

Transformer Nuetral Grounding Protection Device

Transformer netral titik kesenjangan perlindungan perangkat , Transformer neutral titik jurang peranti perlindungan, 110kv transformer neutral protection gap device,220kv transformer neutral overvoltage protection gap, neutral point overvoltage protedtion device

Function

Most neutral of 110KV/220KV power networks are not grounded. In such systems, the neutral is easy to get overvoltage if struck by lightning or short-circuited by single-phase grounding fault. Besides most transformers are uniform insulated. This will greatly threaten insulation of neutral point. Therefore, we use MRD-NP Transformer Discharging Gap to protect neutral of transformer so as to prevent accidents from happening.

Operation Conditions

1. Applicable for indoor and outdoor.

2. Ambient temperature:-50~+55 celsius

3. Altitude: 1500m, if exceeds, we could produce as per specific details.

4. Max earthquake intensity: 8

5. Frequency:50Hz and 60Hz system

6. Max wind pressure:700Pa

Product Overview

110KV and 220KV is the main voltage grades in power supply grid, due to high voltage the neutral point usually grounds solidly or neutral point of some transformers does not ground based on requirements of relay setting and avoiding communication interference for limiting single-phase short-circuit current. By this way, the neutral point would be overvoltage caused by lightning stroke or single-phase grounding faults. Moreover most transformers are graded insulation, so the the overvoltage hazards to neutral insulation is huge. We must set a protective device preventing such accidents from occuring. MRD-NP transformer neutral gap protector of our company is such a device for it. It is produced strictly as per DL/T620-1997 overvoltage protection and insulation co-ordination of AC electrical equipments, applicable to 110 kv and 220kv power system where transformer neutral point does not ground.

If you need more details, please contact wtih us

Q: Power equipment are 10KV or less, there is a business license, will be issued by the electrical installation (repair, test) power facilities license five and above qualifications, you do not need a safety production license ah? Urgently needed: Install the network need to debug the SERC issued installation (repair, test) power facilities permit five level or above qualification this debugging can be tender, can be a one-time construction units and the tender requirements: business license qualification certificate (grade 3) safety production license, the SERC issued Denso (repair, test) power facilities permit five level or above qualification

Q: When a fault occurs in power system, the circuit breaker tripping device near fault: When a fault occurs in power system, the circuit breaker tripping device near the fault, in order to reduce the power outage, this is the relay protection ().A, selective B, reliability C, sensitivity D, non selectivity

Q: How to strengthen the management of electric power information communication equipment: Problems in the management of information communication equipment1 personnel structure is not reasonable. With the continuous expansion of the power grid, power information communication equipment is also increasing. But at present, there are some problems in the management of electric power communication equipment, such as the lack of professional staff and the lack of post. At the same time, due to the lack of post phenomenon, resulting in the equipment management and maintenance work in the process of increasing the workload, making the existing staff complaints, work quality and work enthusiasm can not be guaranteed. On the other hand, because the new staff less power communication professionals confidence aging trend is more and more serious, the personnel structure imbalance restricts the progress and development of electric power information and communication equipment management to a great extent.

Q: Power transformers and other equipment are what units procurement bidding, all those procedures!: Power company or Power Grid CorpElectric power company refers to the local responsible for the sale of electricity companies, both widely regarded as the local authority.The Power Grid Corp is a company that is in charge of the construction of the power grid, and belongs to a group, but is a separate company.

Q: What is the amount of equipment used? Higher profits? Do you have any power generation companies in China?: Two equipment: all kinds of protective devices, automation devices and systems, including communications equipment, computer equipment, etc.; monitoring equipment: computer, industrial television and related equipment; fire equipment;......

Q: What specific enterprises and units are used to test the power of the equipment ah: Electrical installation company, has installed for repair, test qualification. The test is power detection.

Q: Is there a warranty period for power equipment?: Therefore, every year there must be high and low voltage as well as the relevant leakage test, consistent with the standard that is to continue to use.

Q: Hello, I would like to ask what are the main rotating equipment in the power system? What is a rotating device?: A device with a motor can be called a rotating device. Power system mainly refers to the generator, motor

Q: Withstand voltage test, power equipment insulation unqualified reasons?: Test methods and voltage measurement methods are not correct. For example, when the transformer is tested, the non - Test winding is not connected to the ground, and the non - tested winding may be discharged to the ground. For example, the test of large capacity test, the voltage is still on the low side of the measurement, due to the capacitive effect, the actual increase in the voltage on the test sample over the test voltage, resulting in the breakdown of the subject matter, misjudgment is not qualified.

Q: What is the meaning of the high - voltage high - voltage device in power system, which is mainly used to protect the situation,: That response to the power parameters is high frequency, this requires high cycle splitting device, tripping the corresponding circuit breaker, to remove the part of power grid connected or separated from the original into two or more power, get rid of the accident or the narrow scope of the accident to

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