Summary of Contents for Huayi LW36A-126
- Page 1 LW36A-126/145/T3150-40 High Voltage SF6 AC Circuit Breaker Operation Instruction 0HK.412.530SM Huayi Electric Apparatus Group Co., Ltd.
-
Page 2: Table Of Contents
Operation Instruction Huayi Electric Apparatus Group 0HK.412.530SM LW36A-126/145 Name & Model High Voltage SF6 AC Circuit Breaker 1/30 List 1. Summarize…………………………………………………………………………… 2 2．Structure and feature………………………………………………………………… 3 3．Packing, transport and store………………………………………………………… 13 4．Installation……………………………………………………………………………14 5．On site testing after installed…………………………………………………………21 6．Use and maintenance…………………………………………………………………23 7．Technical documents enclosed with products………………………………………... -
Page 3: Summarize
2/30 1 Summarize 1. 1 The operation instruction is apply for LW36A-126/145 High voltage SF6 AC circuit breaker. It detail described the installation and use, maintenance, the safe criterion should be took note of, the danger maybe happen. People shall read this operation instruction carefully before install and use the products, be ensure that people were known well to operate the circuit breaker. - Page 4 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 3/30 1. 5 The operation instruction specify “attention” and “warning”，when the content specified “attention”, if you breach it, it will be inconvenience or little damaged; When the content specified “warning”, if you breach it, it will be bodily injury or equipment damaged. The attention and warning will be specified by boldface.
- Page 5 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 4/30 Continuous sheet 1 Item Unit Parameter On-off time ≤60 Main loop resistance µΩ ≤ 40 Rated gas SF6 pressure (20℃ meter’s pressure) 0.55 / 0.50 Alarm/closedown pressure（20℃ meter pressure) Gas SF6 leak annual ≤...
- Page 6 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 5/30 1.pole(porcelain vase) 2.base 3.pointer type density controller 4.control box 5.name plate Drawing 1 whole configuration drawing of circuit breaker（face） 2．3 base The base work as support 3 poles and connect control box， made by bended armor plate, covered cover boards, it can meet GB11022《the common technical requirements of high voltage equipment and...
- Page 7 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 6/30 The point type SF6 density controller(with pressure meter) is use for monitoring the density of gas SF6 in equipment and send control signal， it have the function of temperature compensate. When the ambient temperature change to bring the pressure change of gas SF6, the controller will not act.
- Page 8 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 7/30 1.above output wire plate 2.explosion chamber 3.bottom output wire plate 4.support porcelain tube 5.insulated tie bar 6.regulating lever box 7.outer regulating lever drawing 2 pole(porcelain vase)
- Page 9 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 8/30 drawing 3 connection terminal plate 1. porcelain tube 2. fixed contact base 3. fixed arc contact 4. fixed main contact 5． spout 6． Moving main contact 7． Moving arc contact 8． Middle contact 9．...
- Page 10 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 9/30 Long term current carrying loop consist by above wire connection plate, fixed contact base, fixed main contact, cylinder, middle contact, bottom support base, bottom wire connection plate. At the bottom of cylinder’s thermal expansion chamber installed non-return valve, at the bottom of plenum chamber...
- Page 11 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 10/30 When the circuit breaker received an order, the rigidity movement parts which consist by cylinder, moving arc contact, tie bar will move down under the operation of switch off spring. In the movement, fixed main contact breakaway with moving main contact, current transfer to two closed arc contacts, then the arc contact breakaway come into being arc.
- Page 12 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 11/30 Cam impinge on trolley to make regulating lever circumrotate clockwise, drive tie bar to switch on quickly of moving contact and fixed contact, complete switch on operating. Otherwise, when switching on, the switch off spring connect with regulating lever was compressed and that store energy.
- Page 13 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 12/30 2．6．4 reclose operating When the switch on spring and switch off spring are both in energy stored state,（also is GCB work state） ，it complete by throw the dictate of off-0.3s-on and off.
-
Page 14: 3．Packing, Transport And Store
0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 13/30 There are manual switch on and switch off button, distance-on the spot changeover switch, energy store motor switch（see drawing 7） ，circuit breaker’s state indicator drop on faceplate of control box. The operator can see the circuit breaker state. -
Page 15: 4．Installation
0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 14/30 3. 3 Store If the circuit breaker was not installed immediately after deliveried, the subassembly shall be placed at indoor. If the condition is not allowed, it also can place at outdoor, but should placed at ventilated location, avoid wet ground, the wood carton shall be placed on plank and covered by paulin. - Page 16 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 15/30 Outline drawing of circuit breaker Note: 1.base embedding, the M24 screw exserted length is 80mm with 2 nuts, the base dimensions error is ±1mm. 2. the operating applied force: pull up=1800Kg, horizontal force=2500Kg.
- Page 17 4．2 Installation of base and control box Before install base subassembly, remove the covered plastic enswathement, put down 4pcs lifting hole cover board of two sides of bas and 3pcs hand hole cover board. Lifting the subassembly a little, take off bottom stow-wood, then lifting it to groundwork, fixed on the groundwork by 8pcs M24 bolts.
- Page 18 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 16/30 4．3 Pole (porcelain vase) installing 4．3．1 Inspect before installing Lifting out the 3 poles, translation to hard ground. Attention: pad crosstie to two sides of pole, to avoid broken. Visually inspect the poles, if the poles are broken or crevasse in transporting, please contact manufacturer in time.
- Page 19 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 17/30 Put the pole at the jaw opening of base mid, fix by M20X65 bolts（see drawing 12）, bolts thread hole from down to up, tighten by nut, check the installing dimension according to drawing 12. In switch off state, connect the two operator links and regulating lever（connection way refer to drawing 13）, the...
- Page 20 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 18/30 2. Put gasket between the regulating lever and operator link when connecting the operator link, to ensure the operator link’s accept power direction and moving direction are same.（see drawing 13）. 1 regulating lever 2 operator link Ⅰ 3 operator link Ⅱ...
- Page 21 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 19/30 4．4 Connecting of gas SF6 pipeline Screw out the pipeline joint and valve protection cover, clean the pipeline joint and valve surface by cloth or paper dipt a little anhydrous alcohol, mount “O” type gasket ring, paint some sealant, connect to regulating lever box.
-
Page 22: 5．On Site Testing After Installed
0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 20/30 Drawing 15 connecting of gas SF6 charging device Attention：1. The pressure of pressure meter displayed is in 20℃. 2. Due to the porcelain maybe broken in transporting and installing, we suggest that cover the porcelain by special design before gas charge, to avoid blow up in gas charging, injure person( though the possibility is very low). - Page 23 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 21/30 5．Try operate had best use motor distance control, before operate, all operators shall outer of 30m or behind cover. 6．Strictly prohibit the circuit breaker single operate or two phase operate through fair and foul.
- Page 24 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 22/30 5．2．7 Measuring moisture Connecting the pressure reducing valve, pipeline and moisture tester to charging valve, test the moisture content of air chamber. In acceptance checking, the moisture content should not exceed 150ppm（V/V，20℃）;...
-
Page 25: 6．Use And Maintenance
0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 23/30 6. Use and maintenance 6．1 Routine maintenance and inspection in operating 6．1．1 Eyeballing inspect the porcelain whether have crack in operating. 6．1．2 Observe the gas charge pressure of circuit breaker and register it. - Page 26 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 24/30 1． Continuous operation for 20 years. 2． The mechanical operation time exceed 2000 times. 3． Full capacity (40KA) breaking time exceed 20 times. 次...
-
Page 27: 8．Ordering Instruction
0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 25/30 7．Random technical files 1 Operation instruction a copy of 2 Packing list a copy of 3 Certificate of approval a copy of 4 Ex-work test report a copy of 5 Operation report（need fill）... - Page 28 SF6 is 146, it’s about 5 times of atmosphere, so if leaked in atmosphere will deposit on the earth’s surface. Be the same as others gas, the pressure of gas SF6 will change along with temperature. The gas SF6 state curve of this LW36A-126/145 SF6 circuit breaker as follows：...
- Page 29 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 27/30 Accessories 2 Installation tool and spare part schedule 1. Random accessories and auxiliary material Name and specification Quantity Purpose Remark Earth foot bolt M24×800 8pcs Fix the circuit apiece 8pcs breaker on the M24 nut, flat gasket、...
- Page 30 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 28/30 1. The provided special purpose tool according to order contract Name Model No. Quantity Remark Speed trial tool of circuit breaker 1 set 2. The provided special purpose equipment according to order contract Name Model No.
- Page 31 0HK.412.530SM LW36A-126/145 High Voltage SF6 AC Circuit Breaker 29/30 Accessories 3 Installation and test report USER’S COMPANY NAME SUBSTATION Model No. Ex-work No. Installation company Installation time Installation content Technical request Test result Remark Disconnect the packing wood Intact packing...
- Page 32 High Voltage SF6 AC Circuit Breaker 30/30 Test before working Technical Test Remark request result Measuring spring store ≤15s energy time Switch on time 75±8ms Measuring Switch off time 30±3ms mechanical Check manual characteristic operation device Check the trip prevent device Measuring the resistance of main loop ≤40µΩ...
Need help?
Do you have a question about the LW36A-126 and is the answer not in the manual?
Questions and answers