Single Phase Vacuum Capacitor Switch. UltraVacLT 15kV 95kV or 125kV BIL

Transcription

1 Trinetics UltraVacLT Single Phase Vacuum Capacitor Switch Installation and Operation Instructions UltraVacLT 15kV 95kV or 125kV BIL UltraVacLT 27kV 125kV or 150kV BIL Hubbell has a policy of continuous product improvement. Please visit hubbellpowersystems.com to confirm current design specifications Hubbell Incorporated hpsliterature@hubbell.com hubbellpowersystems.com

2 DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY The information, recommendations, descriptions and safety notations in this document are based on Hubbell Power Systems, Inc.'s (HPS) experience and judgment and may not cover all contingencies. If further information is required, an HPS sales office should be consulted. Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate HPS selling policies or other contractual agreement between Hubbell Power Systems and the purchaser. THERE ARE NO UNDERSTANDINGS, AGREEMENTS, WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY, OTHER THAN THOSE SPECIFICALLY SET OUT IN ANY EXISTING CONTRACT BETWEEN THE PARTIES. ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF HUBBELL POWER SYSTEMS. THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. IN NO EVENT AND UNDER NO CIRCUMSTANCE SHALL HPS BE RESPONSIBLE TO THE PURCHASER OR USER OF THIS DOCUMENT OR THE PRODUCT DESCRIBED HEREIN OR ANY OTHER PERSON IN CONTRACT, IN TORT (INCLUDING NEGLIGENCE OR WRONGFUL DEATH), STRICT LIABILITY OR OTHERWISE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES WHATSOEVER, INCLUDING BUT NOT LIMITED TO DAMAGE OR LOSS OF USE OF PRODUCT, EQUIPMENT, PLANT OR POWER SYSTEM, COST OF CAPITAL, LOSS OF POWER, ADDITIONAL EXPENSES IN THE USE OF EXISTING POWER FACILITIES, OR CLAIMS AGAINST THE PURCHASER OR USER BY THIRD PARTIES RESULTING FROM THE USE OF THE INFORMATION, RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN. THE INFORMATION CONTAINED IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE, USER SHOULD CONSULT THE HUBBELL POWER SYSTEMS WEBSITE FOR THE MOST CURRENT VERSION. 2

3 Table of Contents Safety Information Safety Information...4 Product Information Introduction...5 Acceptance and Initial Inspection...5 Handling and Storage...5 Standards...5 Quality Standards...5 Description of Operation...5 Ratings and Specifications Check Switch Ratings Before Installation...6 Ratings...6 Installation Procedure Check-Out Procedure...7 High Voltage Connections...8 Control Wiring...9 Remote Control...9 Wiring Diagrams... 10,11 Dimensions Dimensions...12 Switch Operation Electrical Operation Manual Hotstick Operation Contact Position Indicator Service Information Service Requirements Frequency of Inspection

4 Safety Information The instructions in this manual are not intended as a substitute for proper training or adequate experience in the safe operation of the equipment described. Only competent technicians who are familiar with this equipment should install, operate, and service it. A competent technician has these qualifications: Is thoroughly familiar with these instructions. Is trained in industry-accepted high and low-voltage safe operating practices and procedures. Is trained and authorized to energize, de-energize, clear, and ground power distribution equipment, and is trained in the care and use of personal protective equipment such as flash clothing, safety glasses, face shield, hard hat, rubber gloves, clampstick, hotstick, etc. The following is important safety information. For safe installation and operation of this equipment, be sure to read and understand all cautions and warnings before installing or operating. This manual may contain four types of hazard statements: DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious injury.! WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious injury.! CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. CAUTION Indicates a hazardous situation which, if not avoided, could result in equipment damage only. The following are general caution and warning statements that apply to this equipment. Additional statements, related to specific tasks and procedures, are located throughout the manual. DANGER Hazardous voltage. Contact with hazardous voltage will cause death or severe personal injury. Follow all locally approved safety procedures when working around high- and low-voltage lines and equipment.! WARNING Before installing, operating, maintaining, or testing this equipment, carefully read and understand the contents of this manual. Improper operation, handling or maintenance can result in death, severe personal injury, and equipment damage.! WARNING This equipment is not intended to protect human life. Follow all locally approved procedures and safety practices when installing or operating this equipment. Failure to comply can result in death, severe personal injury and equipment damage.! WARNING Power distribution and transmission equipment must be properly selected for the intended application. It must be installed and serviced by competent personnel who have been trained and understand proper safety procedures. These instructions are written for such personnel and are not a substitute for adequate training and experience in safety procedures. Failure to properly select, install or maintain power distribution and transmission equipment can result in death, severe personal injury, and equipment damage.! WARNING Switch housing is composed of HDPE which is not self extinguishing and may continue to burn if ignited. Consideration of flammability requirements for application should be validated prior to installation. Failure to comply can result in death, severe personal injury, and equipment damage. 4

5 Product Information Introduction This service information document provides installation instructions, operation information, and maintenance information for UltraVacLT Vacuum Capacitor Switches. The information contained in this manual is organized into the following major categories: Safety Information, Product Information, Ratings and Specifications, Installation Procedure, Dimensions, Switch Operation, and Service Information. Refer to the table of contents for page numbers. Read this manual first Read and understand the contents of this manual and follow all locally approved procedures and safety practices before installing or operating this equipment. Additional information These instructions cannot cover all details or variations in the equipment, procedures, or processes described nor provide directions for meeting every possible contingency during installation, operation, or maintenance. When additional information is desired to satisfy a problem not covered sufficiently for the user's purpose, please contact your Hubbell Power Systems sales representative. Acceptance and initial inspection Each capacitor switch is completely assembled, inspected, tested, and adjusted at the factory. It is in good condition when accepted by the carrier for shipment. Upon receipt of a capacitor switch, inspect the capacitor switch thoroughly for damage and loss of parts incurred during shipment. If damage or loss is discovered, file a claim with the carrier immediately. Handling and storage If the capacitor switch is to be stored for an appreciable time before installation, provide a clean, dry storage area. Store the capacitor switch so as to minimize the possibility of mechanical damage. Maximum temperature of product during storage should never exceed 70 C. Care should be taken to ensure storage location and packaging is appropriate. If stored outside in original cartons and temperatures above 45 C are expected, shipping wrap should be removed and handle knock-outs should be opened to ensure airflow into carton. Standards UltraVacLT Vacuum Capacitor Switches are designed and tested in accordance with IEEE Std C standard. Quality standards UltraVacLT Vacuum Capacitor Switches are produced under an ISO 9001 Certified Quality Management System. Description of operation The UltraVacLT Vacuum Capacitor Switch is a single-phase, solenoid-operated vacuum switch. The solid polymer insulation system does not rely on gas, foam, or liquid dielectrics. Highly resistant to ozone, oxygen, moisture, contamination, and ultraviolet light, it is an environmentally friendly capacitor switch. The UltraVacLT Vacuum Capacitor Switch has a polymer bushing and is suitable for operation through a temperature range of -40 C to +60 C. 5

6 Ratings and Specifications Check switch ratings before installation The UltraVacLT Vacuum Capacitor Switch must be applied within its specified ratings. Check data plate ratings and compare with the system characteristics at the point of application prior to installation. Table 1 lists the ratings and specifications for the UltraVacLT Vacuum Capacitor Switch. Ratings All ratings meet or exceed values in IEEE Std C standard for a distribution-class switch, where applicable. Table 1 - Ratings and Specifications Model UltraVacLT 15 UltraVacLT 27 Rated Maximum Voltage, 50/60Hz for ungrounded capacitor banks, line-to-line, kv, RMS Rated Maximum Voltage, 50/60Hz for grounded capacitor banks, line-to-line, kv, RMS Impulse Withstand Voltage, Line-to-ground, kv BIL Impulse Withstand Voltage, Open gap, kv BIL Power frequency withstand voltage, 60 Hz: 1 Minute Dry, kv 10 Seconds Wet, kv Continuous Current, 50/60Hz, Amps Capacitive Switching Current, 50/60Hz, Amps Fault making peak current, Amps 15,000 15,000 Fault making current, symmetrical RMS, Amps 6,000 6,000 Short time withstand current 1.0 s, symmetrical RMS, Amps 6,000 6,000 High frequency peak Transient making current, Amps Transient in-rush frequency, Hz Operating current rating 120VAC, Amps 240VAC, Amps 125VDC, Amps Operating voltage range 120VAC, Volts 240VAC, Volts 125VDC, Volts ,000 6, to to to ,000 6, to to to 144 Nominal open/close time, ms Creep distance, terminal to terminal, inches / mm terminal to ground, inches / mm 20.3 / / / / 635 Weight, lbs / kg 20 / 9 22 / 10 Operating temperature range, deg F / deg C -40 to +140 / -40 to to +140 / -40 to +60 Humidity % Mechanical Operations 50,000 50,000 Restrike category per IEEE standards, Class C2 C2 Insulation Type High Density Polyethylene High Density Polyethylene Standards ANSI/IEEE ANSI/IEEE Standard Terminal Type Eye bolt clamps Eye bolt clamps 6

7 Installation Procedure Hazardous voltage. Solidly ground all equipment. Failure to comply can result in death, severe personal injury, and equipment damage. This equipment is not intended to protect human life. Follow all locally approved procedures and safety practices when installing or operating this equipment. Failure to comply can result in death, severe personal injury and equipment damage. Check-out procedure! WARNING! WARNING 1..Check data plate. Make sure that ratings on the data plate are correct for the planned installation. 2. Visually inspect the switch. Visually inspect the switch for any damage to bushing sheds, terminals, mounting bracket, or trip handle. 3. Install the switch. Follow locally approved installation procedures. 4..Install system components. This equipment is not intended as a visual break disconnect. Air-breaking isolating switches, usually fused cutouts, must be installed to provide a visible disconnect. 5..Adjust orientation. When mounting the switch in its final location, the orientation of the side terminal can be adjusted for best wire routing. This is done by rotating the body of the switch in the mounting clamp ring. To make this adjustment, loosen the two (2) nuts on the clamp ring until the body of the switch is free to rotate. Rotate the switch body to the desired orientation. Tighten the two (2) nuts to 15ft-lbs to secure the switch and prevent additional rotation. The switch body can be rotated approximately 275 degrees as shown below. CAUTION When adjusting the rotation position of the switch, do not locate the mounting bracket under the manual handle/indicator as this will prevent proper operation of the switch. Range of Rotation Grounding Connection Clamp Ring Nuts 7

8 High-Voltage Connections 1. Ground the switch. Make the ground connection to the ground connector located on the mounting bracket of the switch. 2. Make line connections. Connect the primary leads to the switch terminals. The universal clamp-type terminals accommodate AWG No. 8 solid through 2/0 stranded conductor. Animal guards for terminal connections are provided with each switch. 3. Torque specification to terminals is 15 ft-lbs. CAUTION When connecting system line voltage to the UltraVacLT Vacuum Capacitor Switch, wire leads must be kept at least 6 inches away from the upper sheds area of the switch bushing. Failure to comply with this precaution may result in improper operation of the capacitor switch. Refer to diagram below. Keep this area around switch sheds completely free of all line voltage wiring to prevent improper operation Keep this area around switch sheds completely free of all line voltage wiring to prevent improper operation 8

9 Control Wiring Electrical connections to the actuating mechanism are made through the receptacle in the bottom cover plate of the switch. Mating plugs or cable assemblies for the receptacle must be ordered separately. Pin orientation diagrams for the control receptacle are shown next to each available wiring configuration on the next pages. Connector receptacle Remote Control Remote control of the UltraVacLT Vacuum Capacitor Switch is accomplished by connecting the customer's control device to the receptacle in the bottom cover plate of the switch. The control signal must be applied between the CLOSE or OPEN pin and Neutral for at least 100 msec. It is recommended the control signal be applied for 1 second +/- 100ms. Limit switches inside the switch will open the control path to the solenoid at the correct time.! CAUTION The CLOSE or OPEN signal must be removed from the corresponding path before the opposite signal is applied or damage to the solenoid circuit will occur. Any manual switch, relay contact, time switch, or similar device can be used, provided the control circuit is energized for a minimum of 100 ms for each operation.! CAUTION The UltraVacLT Vacuum Capacitor Switch is designed for use on distribution capacitor banks which typically operate a few times a day. To provide optimum operating performance, the mechanism of this switch is designed for intermittent duty operation. If performing functional testing of the switch; either on a bench or in a complete capacitor bank system; repetitive CLOSE and OPEN operations must be limited to a maximum of 20 operations in a 5 minute time period with the operations spaced an equal time apart. After these test operations, the switch must be allowed to rest without further electrical operations for a period of approximately 20 minutes. This will allow the components inside the switch sufficient time to cool and be ready for additional testing operations if desired.! CAUTION If the UltraVacLT Vacuum Capacitor Switch is used to switch distribution capacitors, a minimum 5 minute delay must be provided between any open operation and the subsequent close operation to prevent damage to equipment or injury to personnel. 9

10 Wiring Diagrams Schematic of switch actuator circuits are shown in the following diagrams. Option Code: X5 Option Code: W5 Option Code: A5 Option Code: B5 10

11 Option Code: C6 Option Code: D7 Option Code: D8 11

12 Dimensions ULT15-095/ULT ULT27-125/ULT Mounting Bracket Details 12

13 Switch Operation Electrical Operation The switch may be opened and closed electrically by applying rated control voltage to the proper terminals of the actuator receptacle. Refer to the Installation Procedure section of this manual for electrical connections and operating time. CAUTION UltraVacLT Vacuum Capacitor Switches operating on 120 VAC or 125 VDC require 9 amps of current per switch; 27 amps for a group of 3 switches. Switches operating on 240 VAC require 4.5 amps per switch; 13.5 amps for a group of 3 switches. The voltage source must be of sufficient volt-ampere rating to provide these currents for the 100 millisecond time period that operating current is being consumed. Insufficient source capacity may result in malfunction of the switches and possible damage to the internal circuitry. Manual Hotstick Operation DANGER Hazardous voltage. This device is not a substitute for a visible disconnect. Follow all locally approved safety practices. Failure to follow proper safety practices can result in contact with high voltage, which will cause death or severe personal injury. The switch may be manually opened or closed by using a hotstick to operate the yellow manual operating handle under the sleet hood as shown in figures below. DANGER Hazardous voltage. Do not rely on the open position of the yellow operating handle; it does not ensure that the line has been de-energized. Always establish a visible disconnect. Failure to follow proper safety practices can result in contact with high voltage, which will cause death or severe personal injury. To open the switch contacts, insert the hotstick tip into the hotstick hole of the manual operating handle and pull downward to the OPEN position. To close the switch contacts, place the hotstick tip into the notch under the hotstick hole of the manual operating handle and push upward to the CLOSED position. Hotstick in place with switch closed Hotstick in place with switch open Hotstick in place to close switch 13

14 Contact Position Indication The yellow operating handle is also used as a contact position indicator. The switch is closed when the operating handle is in the up position and is open when the operating handle is in the down position. Contact position indicator switch closed Contact position indicator switch open Service Information Service Requirements The mechanical durability of the UltraVacLT Vacuum Capacitor Switch was demonstrated by completing a minimum of 50,000 mechanical operations. The switch requires no routine maintenance; however, the switch should be inspected on a regular basis to check for physical damage and to verify operation. The bottom cover of the unit should not be removed as there are no user serviceable parts inside. Frequency of Inspection Because these switches are applied under widely varying operation and climatic conditions, maintenance intervals are best determined by the user based upon actual operating experience.! WARNING Hazardous voltage. If, during the inspection of the UltraVacLT Vacuum Capacitor Switch, a dielectric test is to be conducted, caution must be taken to insure appropriate clearances and/or guarding are incorporated to protect personnel conducting the tests. Recommended field dielectric test levels are 75% of the rated power frequency withstand level.! CAUTION RADIATION Radiation. At voltages up to the specified test voltages, the radiation emitted by the vacuum interrupter is negligible. However, above these voltages, radiation injurious to personnel can be emitted. 14

15 NOTES 15

16 Hubbell Power Systems, Inc. N88 W13901 Main Street Menomonee Falls, WI (262) Hubbell has a policy of continuous product improvement. Please visit hubbellpowersystems.com to confirm current design specifications Rev 0 TD_10_055_E 2016 Hubbell Incorporated hpsliterature@hubbell.com hubbellpowersystems.com