40.5kV C-GIS Gas Insulated Ring Main Unit_Complete sets of MV equipment_Medium-voltage Switchgears_Products

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40.5kV C-GIS Gas Insulated Ring Mai資睡n Unit

Complete sets of MV equipment

Three-phase sha如通red gas tank structure, modular des亮服ign concept. It can be d喝中ivided into five modul醫區es: Secondary low pressure 慢學module, circuit breaker gas ch南子amber module, cable chamber mo術也dule, main bus gas chamber module and p從水ressure release module. 白厭

Three-phase shared gas tank structur物街e, modular design concept. It can be 坐民divided into five modules: 視音Secondary low pressure module, 線湖 circuit breaker gas chamber module那好, cable chamber module, main bus gas議術 chamber module and pressure release m體坐odule. Each gas chamber is independe作慢ntly connected. Single bus and腦廠 double bus co-exist desi冷金gn. Single bus plan or d體又ouble bus plan can be desig睡笑ned depending on the requirements 來訊of different plans.

S/N	Item	Unit	parameters
1	Rated voltage 醫對	kV	40.5 近那
2	Main bus rated current 下音	A	1250~2500
3	Branch bus ra購呢ted current	A	1250~2500
4	Rated short-cir輛影cuit open current	kA	31.5
5	Rated filling pres錢文sure	kPa	130
6	Phase to phase, phase-票開to-ground/ isolating fracture, 服年1min power-frequency voltage te水筆st	kV	95/118
7	Phase to phas到大e, phase-to-ground/ isolati作科ng fracture, lightning impulse 匠謝	kV	185/215
8	1min auxiliary and co生亮ntrol circuit insulation tests 門這	kV	2
9	Out-of-phase earth動工 fault breaking curren煙家t	kA	27.4
10	Short-time withstand c男友urrent	kA	Main loop and grounding switc老話h (device) 31.5kA-4s
10	Short-time withstand c男友urrent	kA	earth conductor and c事區onnection 27.4kA-2s 影我
11	Peak withstand current 坐在	kA	Main loop an們亮d grounding device 80空道
11	Peak withstand current 坐在	kA	Earth conduct放來or and connection 69.6 新錯
12	Temperature-rise test 制有		1.11250A、1.12500A
13	Mechanical operation te北新st		Circuit breaker 10,000 tim件弟es/ disconnector 3,000 是在times/ earthing switch 3,000票也 times
14	Enclosure protection cl的能ass verification 黃舞		IP4X
15	IP grade of gas tank 從廠		IPX7 (immersed)開森
16	Arc burning te分店st		Switch chamber AFL姐術R level 31.5kA-0.5s
			Bus chamber 體黑AFLR level 31.5kA-0.5s
			Cable chambe這制r AFLR level 31.5kA-0.5s

Typical features:
1. Horizontal installation of direc著理t-acting type three-position disconne西用cting switch.

2. All operating mechanis請吧ms are installed outside the gas ch年技amber.
3. Complete interlocking protection fun視技ction, ensuring safe oper術物ation.
4. Bus plug and switch sy習議stem for connection betwee計唱n cabinets.
5. Maximum current of 3150A, breaking黑店 current of 31.5KA.

Automatic control:
1. Adopting PLC logical control 動書unit.
2. Adopting latest c錯火ommunication technology.
3. Realize man-machine interactive答見 operation interface.
4. Efficient protection and c樹還ontrol capability.
5. Simple interface, easy t書光o operate.

Environmental restrictions:
1. HV live parts are fu們兒lly sealed in the stainless 綠綠steel gas chamber and c算票an fully adapt to any external e銀都nvironment.
2. Solid insulation a機快nd gas insulation techn就身ologies are adopted for live par女花ts inside and outside gas輛路 chamber.
3. Inner cone sleeve plug 些爸mode is adopted for cable acce商又ssory to prevent water 哥頻and dust.
4. All insulating material and花木 sealing materials are adap妹你t to a wide range of hig現綠h and low temperatures.

Interlocking protection:
1. To prevent falsely ope長信ning or closing circuit化少 breaker.
2. To prevent switchin朋行g on/off the disconnectin道紅g switch with load.
3. To prevent closing ground switch whe說吃n electrified.
4. To prevent closin劇跳g circuit breaker with ground le事遠ad.
5. To prevent falsely 作銀entering live space.

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