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Related Manuals for Toshiba HCV-6KALU
Summary of Contents for Toshiba HCV-6KALU
- Page 1 INSTRUCTION MANUAL INSTALLATION - OPERATION - MAINTENANCE HCV-6KAU Vacuum Contactor, 7.2kV – 720A – 7.2kA HCV-6KALU Vacuum Contactor, 7.2kV – 720A – 7.2kA Issued: 12/05 Manufactured in the USA Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
- Page 2 Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
- Page 3 INSTRUCTION MANUAL For the Installation, Operation and Maintenance of HCV-6KAU Vacuum Contactor, 7.2kV – 720A – 7.2kA HCV-6KALU Vacuum Contactor, 7.2kV – 720A – 7.2kA Never attempt to install, operate, maintain or dispose of this equipment until WARNING you have first read and understood all of the relevant product warnings and user directions that are contained in this Instruction Manual.
- Page 4 Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
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Page 5: Safety
SAFETY Page 1 IMPORTANT MESSAGES Read this manual and follow its instructions. Signal words such as DANGER, WARNING and CAUTION will be followed by important safety information that must be carefully reviewed. Indicates a situation which will result in death, serious injury, and severe DANGER property damage if you do not follow instructions. - Page 6 Be trained in rendering first aid. SAFETY CODES Toshiba HCV-6KAU and HCV-6KALU vacuum contactors are designed and built in accordance with NEMA ICS 3-2, UL 508, CSA 22.2-14 and IEC 60470. Installations must comply with all applicable state and local codes, adhere to all applicable National Electric Code (NFPA 70) standards and instructions provided in this manual.
- Page 7 SAFETY Page 3 HAZARDOUS VOLTAGE will cause severe injury, death, fire, explosion and DANGER property damage. • Turn off and lock out Primary and Control Circuit Power before servicing. • Keep all panels and covers securely in place. • Never Defeat, Modify, or Bypass any Safety Interlocks •...
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Page 8: Table Of Contents
Page 4 TABLE OF CONTENTS SAFETY..............................1 INTRODUCTION ............................6 GENERAL DESCRIPTION.........................7 Components............................7 Indicators and Controls ........................7 Figure 1 – Contactor Structure......................7 RECEIVING, INSPECTION AND HANDLING ...................8 Receiving and Unpacking .......................8 Acceptance Inspection ........................8 Handling and Moving ........................8 Figure 2 – Location of the Wear Gauge ..................8 INSTALLATION............................9 Ambient Conditions .........................9 Mounting the Contactor........................9... - Page 9 Table 2 – Check Points for Periodic Inspection ................18 Table 3 – Gap/Wipe Standard Values (contactor in new condition)..........20 Vacuum Check..........................21 Figure 11 – Toshiba Portable Vacuum Checker ................21 Figure 12 – Application of Test Voltage for Vacuum Check............22 Electrical Service Life........................23 Mechanical Service Life ........................23...
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Page 10: Introduction
Page 6 INTRODUCTION It is the intent of this manual to provide a guide for safely installing, operating and maintaining Toshiba vacuum contactors. This manual consists of a section of general safety instructions and is marked throughout with warning symbols. Read this manual thoroughly before installation, operation and maintenance of this equipment. -
Page 11: General Description
GENERAL DESCRIPTION Page 7 COMPONENTS INDICATORS PROVIDED The Toshiba HCV-6KAU and HCV-6KALU On-Off Indicator – Located on the front, right side vacuum contactors described in this manual are of the contactor. Indicates if the contactor is suitable for use on systems of 7.2kV – 720A –... -
Page 12: Receiving, Inspection And Handling
This may cause damage. File a claim with the carrier for any damaged or missing items and immediately notify the nearest Toshiba representative. Do not install or energize WARNING equipment that has been damaged. Damaged... -
Page 13: Installation
Fasten the contactor using four (4) M8 hex equipment failure. head bolts. The tightening torque should be Toshiba HCV-6KAU and HCV-6KALU contactors 120-150 kgf-cm (9-11 ft-lb). See Table 1 for are intended for use in usual service conditions tightening torque specifications. -
Page 14: Ground Connections
Page 10 INSTALLATION GROUND CONNECTIONS The contactor must be grounded in accordance with the requirements of the National Electrical Code, Article 250 or applicable local standards. Proper grounding WARNING connections must be made to the contactor before incoming power is applied. The ground terminal is located on the right side of the contactor as shown in Figure 3. -
Page 15: Pre-Energization Check
PRE-ENERGIZATION CHECK Page 11 GENERAL ELECTRICAL CHECKS BEFORE ENERGIZING THE CONTACTOR for Electrical shock hazard. WARNING the first time, follow the procedure below to verify Do not touch energized that the equipment is properly installed and components during a test functional. -
Page 16: Operation
Page 12 OPERATION MOVING THE CONTACTOR FROM THE OFF TO THE ON POSITION TO MOVE THE CONTACTOR TO THE ON POSITION: 1. Turn ON circuit control power to move the contactor to the ON position 2. Verify that the position indicator reads ON (Red). -
Page 17: Figure 5 – Internal Configuration Of Drive Unit
PRE-ENERGIZATION CHECK Page 13 LEGEND 52 CC ….. Closing Coil T1, T2 ….. Terminal Block A1, A2 …. Closing Supply AC/DC TIMER VOLTAGE OSCILLATION POWER DETECT SWITCHING Figure 5 - Internal configuration of Drive Unit LEGEND 52 CC ….. Closing Coil T1, T4 ….. -
Page 18: Figure 7 – Internal Connection Of The Latched Type
Page 14 OPERATION LEGEND 52 CC ….. Closing Coil 52 TC …... Tripping Coil T1, T4 …... Terminal Block Vacuum Bottles A1, A2 ….. Closing Supply AC/DC Tripping Supply 22 21 A uxiliary Switch Diode Drive Unit Closing Supply AC/DC Figure 7 –... -
Page 19: Figure 9 – Standard Operation Circuit Of The Latched Type (Shunt Trip)
PRE-ENERGIZATION CHECK Page 15 Remo t e Op er at i o n Swi t c h LEGEND 52 CC ….. Closing Coil T1, T2 ….. Terminal Block GL ……… Green Light RL ……… Red Light A1, A2 …. Closing Supply AC/DC VCTT L oca l... -
Page 20: Maintenance
Page 16 MAINTENANCE MAINTENANCE PROGRAM MAINTENANCE RECORD In order to ensure continued reliable and safe Keep a permanent record of all maintenance operation of the equipment, a program of work. At a minimum, this record should include periodic maintenance must be established. information on: Operating and environmental conditions will usually dictate the frequency of inspection... -
Page 21: Inspection And Maintenance Types
MAINTENANCE Page 17 RECOMMENDED INSPECTION AND Table 1 - Tightening Torque MAINTENANCE TYPES Screw Tightening Torque Nominal Refer to the SAFETY section of this NOTE: Diameter manual for important information. 15-20 kgf-cm (13-17 in-lb) 1. Acceptance Inspection This inspection confirms that the contactor is 30-40 kgf-cm (26-34 in-lb) complete, correct... -
Page 22: Table 2 – Check Points For Periodic Inspection
Replace vacuum contact wear. Service Life (Page wipe. interrupter. 23). Vacuum Apply 10kV AC for 1 Check vacuum level by If breakdown occurs, level. minute. withstand voltage test. contact Toshiba. Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com... - Page 23 Wipe with a clean, Frame and matter or dust, foreign matter or dry cloth. If Flanges damage breakage. damaged, contact Toshiba. Control Auxiliary See Table 3. Contact wear and wipe. Replace if wear or Circuits Switch Make sure there is no damage is dust.
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Page 24: Table 3 – Gap/Wipe Standard Values (Contactor In New Condition)
Dielectric Measure Measure dielectric 22kV AC or 31kV DC for If breakdown occurs, Strength main circuit strength between 1 minute contact Toshiba. phases and between circuits and ground. Open/Close ---- Perform open/close ---- If not normal, check Operation operation by electric and repair. -
Page 25: Vacuum Check
TEST EQUIPMENT: checker or AC hi-pot machine. Connect all the load side primary terminals together and Toshiba offers a compact vacuum checker (Type to the ground terminal of the vacuum CI35-1D, Figure 11) which enables a quick and checker or AC hi-pot machine. -
Page 26: Figure 12 – Application Of Test Voltage For Vacuum Check
Page 22 MAINTENANCE CRITERIA: 1 minute 1. If a current flow above 5 milliamperes is 10kV AC observed or if breakdown occurs, one or (14kV DC) more of the interrupters has insufficient vacuum and must be replaced. If the current exceeds 5 Exception: Voltage milliamperes the first time the voltage is... -
Page 27: Electrical Service Life
MAINTENANCE Page 23 ELECTRICAL SERVICE LIFE SERVICE LIFE – CAPACITOR SWITCHING The electrical service life of the vacuum Switching of capacitor loads produces severe interrupter is defined by the electrode wear and conditions contactors, such high number open/close operations frequency inrush current and phase-to-phase (mechanical life). -
Page 28: Storage And Disposal
Page 24 STORAGE AND DISPOSAL STORAGE If the contactor is to be stored for any length of time prior installation, following precautions should be taken. 1. The original packing should be restored, if possible. 2. Do not subject the equipment to moisture or sunrays. -
Page 29: Specifications
SPECIFICATIONS Page 25 Table 5 - Ratings Items HCV-6KAU HCV-6KALU Rated Insulation Voltage Rated Operation Voltage 2500-6600 Rated Operational Current Thermal Current Rated Frequency 50/60 Rated Making Current 7.2 (close 100 times) Rated Breaking Current 5.76 (close-open 25 times) Interrupting Current 7.2 (close-open 3 times) -
Page 30: Warranty And Limitation Of Liability
WARRANTY AND LIMITATION OF LIABILITY Page 26 Toshiba International Corporation ("Company") warrants that all equipment and parts described herein will be free from defects in materials and workmanship. THIS WARRANTY WILL EXPIRE EIGHTEEN (18) MONTHS AFTER THE DATE ON WHICH SUCH EQUIPMENT AND PARTS (EXCLUDING REPAIRED OR REPLACEMENT...