Benutzeranleitung / Produktwartung H6A-HLS des Produzenten Toshiba
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D o c u m e n t : G F 0 7 Z 3 1 3 INST ALLA TION & OPERA TION MANUAL HV6CS Vacuum Circuit Breakers – Drawout Type 7.2kV V olt age Class APPLICABLE MODEL NUMBER: (Motor Operation T ype) HV6CS-MLD.
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Important Notice The instructions contained in this manual are no t intended to cover all details or variations in equipment types nor may it provide for every possible contingency concerning the installation, operations, or maintenance of this equipmen t.
About This Manual Every effort has been made to provide accurate and concise information to you, our customer. At Toshiba International Corporation we are continuously striving for better ways to meet the constantly changing needs of our customers. E- mail your comments, questions, or concerns about this publication to controls@tic.
Contacting TIC’s Customer Support Center Toshiba International Corporation’s Customer Support Center can be contacted to obtain help in resolving any Adjustable Speed Drive system pr oblem that you may experience or t o provide application information.
- 0 - Table of Contents General Safety Information ………………… ………………………… … ………………………. 1 Safety Alert Symbol …… ………………………………………………………………….. 1 Signal Words ……………………………………………………………………………….
- 1 - General Safety Information DO NOT attempt to install, operate, maintain, or di spose of this equipment until you have read and understood all of the product safety info rmat i on and directions that are contained in this manual.
- 2 - Equipment Warning Labels DO NOT attempt to install, operate, perform maint enance, or dispose of this equipment until you have read and understood all of the product l abels and user directions that are contained in this manual. Warning labels that are attached to the equipment will include the exclamation mark within a triangle.
- 3 - Equipment Inspection • Upon receipt of the equipment, inspect the packaging and e quipment for shipping damage. • Carefully unpack the equipment and check fo r parts that may have been damaged during shipping, missing parts, or concealed damage.
- 4 - Operati ng the VCB Failure to take the opp o rtunit y to discover abnormalities can result in i njuries and equipment damage. Always c h eck to make sure that the ON and OFF indicators are correct before operating the equipment. To avoid damaging the equipment, do n o t close the circuit when th e unit swit ching indicator is ON.
- 5 - During Use Installation location To prevent damage to the VCB or performance degr adation, do not store or install it in the following locations: * Places whose ambient temperature is outside the range of -5 C to 40 C (23 F t o 104 F).
- 6 - Special environment al conditions When using the VCB in special env ironment s, check the points in Table 1 below. Table 1 Points to Check When Using the Circuit Breaker in Spe cial E nvironments Special environmental condition Practical example Check points Contaminat ion * Large amount s of dust.
- 7 - Applicable standards pertain ing to switching surges Consult Table 2 for the standards ap plicable to V C B switching surges. Table 2 Applicable Standards Pertaining to Switching Surges Circuit .
- 8 - 1. Part Names F i gure 1 Drawout Type Circ uit Breaker ON-OF F IND ICA TOR SHAFT FOR MANUAL CHARGING HANDLE INTERLOCK LEVER SPRING IND ICA TOR CLOSE LEVER TRIP LEVER COUNTER DRAWOUT HANDLES SECO.
- 9 - 2. From Receipt to Storage 2.1 Receipt and Unpacking Each VCB unit is carefully tested and inspected prior to shipment, so it can be used as soon as it has been unpacked. However, just in case something should be amiss, you should check the following: (1) When the box is delivered, check to make sure it is not damaged or warped.
- 10 - Table 5 List of Access ori es (Drawout Cell) Part Appe ar ance Quantity Cont rol ca ble (2m) 1* 2.2 Transport Use the proper procedures when moving or transporting the unit. Failure to use the proper (authorized) methods may damage the unit or cause it to fall, res ult ing in injury.
- 1 1 - 2.2.2 Drawo u t Cell When hoisting the drawout unit, attach cable (wire rope) to the holes on the l eft and right of the rear of the unit, as shown in Figure 3.
- 12 - 2.3 Storage Use the following procedures if the VCB will not be operated for a long period of time after it has been installed, or if it must be stored for a long period of time prior to installation. Be sure to observe the precautions for storage and installation locations (see page 5).
- 13 - 3. Installation Make sure the location satisfied the requirements listed under Storage and Installation Location (page 3) and check the dimensions usi ng the diagrams in other catalogs or external view diagrams and panel cut diagram.
- 14 - Scr ew nominal dia. Tightening torque Screw Nomi n al di a . Tightening torque M4 1.47 to 1.96 N-m (15 to 20 kgf- cm) M8 11.8 to 14.7 N- m (120 to 150 kgf-cm) M5 2.94 to 3.92 N-m (30 to 40 kgf- cm) M10 M10 24.5 to 30.9 N-m (250 to 315 kgf-cm) M6 4.
- 15 - Figure 10 Align the position ing arrow on the VCB with the d isconnect position and re l ease the interlock lever. Check to ma ke sure the interlock lever has returned to its former position.
- 16 - 4. Operation Failure to take the opportunity to discover abnormalities can result in injuries and equipment damage. Always check to make sure that the ON and OFF indicators are correct before operating the equipment. 4.1 Manual Operation To avoid damaging the equipment, do not close the circuit w hen the unit switching indicator is ON.
- 17 - (1) When the spring is released - Perform the steps shown in Figures 13 and 14 in that order. (2) When the spring is taut - Perform the step shown in Figure 15. Figure 13 Turn the handle clockwise 3 to 5 times and make sure that the spring status is taut.
- 18 - 4.1.2 Opening the Circuit This operation is the same for both motorized and manual spring-operated VCBs. Fig u re 16 P ress the trip lever (red ) in the direction of the arrow to open th e circuit.
- 19 - 4.2 Electrical Operation Electrical operations are performed as shown in the flow diagram below. Motor begins operating ・ Springs begin tightening Circuit breaker OPEN Cont rol p o wer ap pli.
- 20 - 4.3 Control Circuit 4.3.1 Motori z ed Oper a tion Figure 17 Cont r ol Circuit.
- 21 - 4.3.2 Undervo ltage Tr ip All HV6CS breakers are furnished with an undervol t age trip device. The Undervoltage trip dev ice operates to tri p the circuit breaker OFF unless 120V AC control power is present at the terminals of the UV (TC4) trip coil.
- 22 - 5. Main Circuit Connections and Disconnecting/Removing the Circuit Breaker from the Cell 5.1 Connecting the Main Circuit ( disconnected positio n to connected position) Perform the steps shown in Figures 20 through 21 in that order.
- 23 - 6. Maintenance/Inspections To prevent electric shock, turn off the power before starting maintenance and inspections. To prevent electric shock or other injury, check to make sure that the unit status indicators read OFF and DISCHARGED before beginning maintenance and inspection work.
- 24 - 4) Corrective actions or adjustment s 5) Date of work 6.1 During Main tenance/Inspections Before inspecting the electrical ci rc uits, take the following me asures to prev ent elec tric shock: .
- 25 - Table 7 Inspection Frequ ency Type of ins pection Inspection frequency Patrol Inspection Once e very 6 months Periodic Inspection Normal Once every 1 to 3 years or every 3,000 operations Detailed Once every 6 years Unscheduled Inspection As needed 6.
- 26 - No. Location Item Inspection method Criteria Disposition Remar ks 3 Insu lator Dust, foreign matter or dama ge Visual inspection. Make sure there is no dust, forei gn m att e r or breakage. Wipe with a clea n dr y cl o t h. If damaged, conta ct Toshiba.
- 27 - T oshiba of fers a comp act vacuum checker (T ype CI35-1D , see Figure 22) which enables a quick and easy check on vacuum interr upter internal pr essure. Alternativ ely , any commercially av ailable AC high potential test er ma y be used which is capable of delivering at le ast 25 milliamperes at 22 kV for a period of one minute .
- 28 - TEST PROCEDURE: 1. The circuit breaker shou ld be disconnected from the main cir cuit and be in the OFF position. 2. Con nect all the line side primary ter minals together an d to the outp ut of the vacuum checker or AC hi-pot machine .
- 29 - Figure 25 shows the relationship between the dielectr ic breakdown characteristics and the withstand voltage between electrodes (for each vacuum interrupter) in the withstand v o ltage test.
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T OSHIB A TOSHIBA INTERNA TIONAL CORPORA TIO N INDUSTRIAL DIVISION 13131 W . Little Y ork Road, Houston, TX 77041 U.S.A. T el: +713- 466-027 7 US 1-800- 231-1412 Fax: (713) 46 6-8 773 www .
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