13.8kv Gas Insulated Safering 1250A Gis Rmu Ring Main Unit
22KV electrical ring main unit (RMU)switchgear refers to the ring network power distribution network. Its main function is to realize dual-loop or multi-loop power supply to improve the reliability of power supply. Because of its small size, safe operation and simple structure, it is widely used...
Description
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22KV Electrical Ring Main Unit (RMU)
22KV electrical ring main unit (RMU)switchgear refers to the ring network power distribution network. Its main function is to realize dual-loop or multi-loop power supply to improve the reliability of power supply.
Because of its small size, safe operation and simple structure, it is widely used in buildings, ports, shopping centers and railways.
The ring main unit (rmu) switchgear has two feeder forms, namely the incoming unit and the outgoing unit. The incoming unit is connected to the high-voltage side, and the outgoing unit (usually an F module) is connected to the distribution transformer. It can protect the secondary transformer from transients on the load or power supply side.
22KV RMU is a device used in electrical distribution systems, mainly to isolate and control the electrical energy of high-voltage lines, in order to ensure the safety and stable supply of electricity. Its characteristic is that it has various advantages such as high reliability, safety, and applicability, and is an indispensable part of modern power systems.
The composition structure of the 22KV ring network cabinet is relatively complex, usually consisting of various components such as the main switch, load switch, fuse, and voltage and current sensors. The main switch is mainly responsible for controlling the on-off of high-voltage lines, while the load switch is used to control the flow of electricity during the transmission process, achieving regulation and control of the electrical system. A fuse is a protective measure that can cut off the circuit in a short period of time when abnormal situations such as overcurrent or short circuit occur in the system, ensuring the safe and stable operation of the power system. Voltage and current sensors can achieve the judgment and monitoring of current and voltage information, and have important sensing and feedback functions.
The 22KV ring network cabinet has a wide range of applications, mainly used in various power systems such as urban power grids, industrial and mining enterprises, and rural power grids. In important occasions, such as broadband switch rooms, computer rooms, etc., the 22KV ring network cabinet is also an essential power equipment. It can play an important role in isolating, distributing, and protecting circuits, ensuring the safe, reliable, and stable supply of power supply
Data Sheet:
| Ring6 24KV | C-module | F-module | v-module | ||||
| Switch disconnector | Earthing switch | Switch-fuse disconnector | Downstream earthing switch | Vacuum circuit-breaker | Earthing switch/ disconnector | ||
| Rated voltage | kV | 12/17, 5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 | 12/17,5/24 |
| Rated frequency 5) | Hz | 50/50/50 | 50/50/50 | 50/50/50 | 50/5 0/50 | 50/50/50 | 50/50/50 |
| Power frequency withstand voltage | kV | 284)/38/50 | 284)/38 /50 | 284,/38 /50 | 284,/38 /50 | 284)/38/50 | 284)/38/50 |
| Lightning impulse withstand voitage | kV | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 | 95/95/125 |
| Rated normai current | A | 6 30/630/630 | 2001) | 200/200/200 | |||
| Breaking capacities: | |||||||
| -active load | A | 630/630/630 | |||||
| -closed loop | A | 650/650/650 | |||||
| -offload cable charging | A | 140/140/140 | |||||
| -offload transformer | A | 20/20/20 | |||||
| -earth-fault | A | 205/160/160 | |||||
| -earth-fault cable charging | A | 117/91/91 | |||||
| -short-circuit breaking current | kA | see2) | 16/16/16 | ||||
| Marking capacity | kA | 52,5/40/40 | 52,5/40/40 | see2) 5 | 12,5/12,5/12, | 40/40/40 | 40/40/40 |
| Short tirne current 3 sec,3) | kA | 21/16/16 | 21/16/16 | 16/16/16 | 16/16/16 | ||
| 1) Depending on the current rating of the fuse-link 2) Limited by high voltage fuse-links 3) Maximum rating for bushings Interface C (400 series bolted) 4) GOST version is available with 42kV power frequency to withstand voltage 5) For rated frequency 60Hz de-rating for current parameter needs to be applied | |||||||
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COMPANY OVERVIEW
FAQ
Q1: How is the quotation procedure?
A: Quotation is based on the technical requirements. Please send the technical specification or single line diagram and quantity to us first. After technical communication and clarification, we will make the quotation.
Q2: Can I get some samples?
A: Yes, sample order is available for quality check and market test. But you jave to pay the sample cost and transportation cost.
Q3: Do you receive customized order?
A: Yes, ODM & OEM are welcomed.
Q4: What's the lead time？
A: According to the order quantity, small order usually need 15-25 days, big order based on negotiation.
Q5: What's your warranty terms?
A: 12 months after receiving goods or 18 months after delivery, whichever is earlier.
Q6: What's your payment terms?
A: L/C, T/T, West Union and etc.
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Welcome to inquiry
This product is usually customized.
We are a manufacturer and have a professional technical department that can design and provide solutions according to customer needs.
Please contact our sales personnel to obtain design drawings
Here are our customer examples for your reference
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Contact information:
Jiyuan Fengyuan Electrical Equipment Co., Ltd
Sales Department
Contact person:Mr Charles Du
E-mail:fengyuan800@outlook.com
Mobile:+8618639199897(Available for whatsapp,wechat,skype)
Add:Huling industrial zone,jiyuancity,henan province,China
TEL:+86-0391-2180800
FAX:+86-0391-2180818
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