V12- ELEKTROTECHNISCHE WERKE FRITZ DRIESCHER & SÖHNE GMBH D MOOSBURG TEL FAX

Transcription

1 KUF DRIESCHER Indoor Vacuum CircuitBreaker Rated voltage 12 kv up to,5 kv Rated current up to 00 A 24kV 747 V12 ELEKTROTECHNISCHE WERKE FRITZ DRIESCHER & SÖHNE GMBH D85366 MOOSBURG TEL FAX infoservice@driescher.de

2 DRIESCHER Indoor Vacuum CircuitBreaker from 0 to km/h in 0,03 seconds Category for capacitive current breaking C2 Category for mechanical switching M2 Rated voltage 12 kv * 36 kv **,5 kv Rated short time circuit current ka ka Rated current A A 00 A 00 A * this type with rated voltage, was tested with a test voltage of kv (On/Off test). ** this type with rated voltage 36 kv, was tested with a test voltage of,5 kv (On/Off test). 2

3 DRIESCHER Indoor Vacuum CircuitBreaker according to EN Overview 3 General, operating conditions, maintenance 4 Design and principle of operation of the circuitbreaker 5 Schematic diagram of the design 6 Technical data, type designation 7 Schematic diagram of release mechanism, motoroperated mechanism 8 Vacuum circuitbreaker; Ur 12 kv Vacuum circuitbreaker; Ur Vacuum circuitbreaker; Ur 36 kv and,5 kv Standard wiring diagram, accessories Our range of products General The new DRIESCHER vacuum circuitbreaker is a technological development of the well proven vacuum circuitbreaker series 746. These threepole indoor circuitbreakers are designed for rated voltages of 12 kv up to,5 kv and rated currents of up to 00 A. All specified circuitbreakers are delivered for front panel installation. Operating conditions The breakers are designed for normal operating conditions in compliance with IEC , class minus 5 indoors. A reliable operation is still guaranteed at minus temperatures of 15. The maximum ambient temperature is 40 C; the mean value over 24 hours is max. 35 C. The values on insulation strength are corresponding to DIN VDE 0671 Part 1 related to sea level. For installations at altitudes of up to 0 m any reduction in insulation caused by the reduced insulating property of the air is insignificant and can be ignored. For installation at altitudes > 0 m it is necessary to correct the values given for the rated powerfrequency withstand voltage and the rated impulse withstand voltage (e.g. the insulating property of the clearance at an altitude of 00 m above sea level is reduced by the factor 0,8). Maintenance These new DRIESCHER circuitbreakers boast extremely lowmaintenance. We recommend an visual inspection and occasional cleaning of the insulating parts. It is only necessary to lubricate the operating mechanism. 3

4 Design and principle of operation of the vacuum circuitbreaker The new DRIESCHER vacuum circuitbreaker is a technical further development of our wellproven vacuum circuitbreaker series 746. This vacuum circuitbreaker is made up of the following five (refer also to page 5) subassemblies which are coordinated with maximum precision: Via operating mechnism 1 the coilspring energy storage mechanism is manually or electrically charged. Should the supply voltage fail, the coilspring energy storage mechanism can be charged via the operating shaft using a crank. Feature: an overload blocking in the operating mechanism prevents any overloading of the energy storage mechanism. The coilspring energy storage mechnism 2 comprises three coil springs and an end position damping. This stores the energy (display), precisely controls the energy transmission and permits constant operating speeds. Feature: The energy is stored for 3 switching operations The adjusted end position damping permits an optimal switching operation. The mechanism is therefore extremely low in wear, low in maintenance, and has a long service life. Via the switching module 3 it is possible to operate the circuitbreaker manually by pressing the pushbuttons or it can be operated electrically (release mechanism). The motor of the operating mechanism immediately recharges the coilspring energy storage mechanism after operation. In addition to the release mechanisms the switching module also includes the locking mechanisms. Feature: The last possible switching operation is always and OFF switching operation For further electrical operations a second OFF release can be installed The operating shaft 5 assembled in the breaker frame transmits the operating energy via insulating bars (8) to the vacuum interrupters. Advantage of the breaker frame: compact design possible very lightweight and stable The high quality vaccum tubes are housed in moulded parts of Duroplast insulating material (9). The current in the breaker pole flows from the upper terminal (1) to the fixed contact (2) of the vacuum tube. The laminated contact ribbon (4) is screwed to the moving contact (3) of the vacuum tube. The spring (5) provides the required contact pressure and compensates the permissible contact burn (M) during the entire service life. The burn of the contacts in the vacuum tube can be monitored using the "M" mark. This can be carried out without necessitating dismantling. The pressure welded end of the contact ribbon forms the lower pole contact surface (7) which is supported by the contact arm (6). Advantage: the vacuum tubes are protected against extreme ambient conditions and damage the entire pole can be removed as one piece Summary: The subassemblies and their optimal arrangement have made it possible to provide an extremely compact design. This circuitbreaker is therefore extremely flexible in its application and meets all customer requirements to the full. This new, optimised mechanical design also permits a minimum amount of maintenance and guarantees an extremely long service life. The electrical components 4 with their displays (operations counter, switch position) operate the circuitbreaker depending on the wiring diagram (e.g. auto reclosing). The 70pin female connector (11) is positioned on the top of the breaker frame. The male connector () ist part of the delivery or part of the corresponding panel. 4

5 Schematic diagram of assembly design and operating principle 11 Basic equipment: Pushbutton for ON and OFF switching on site Display of breaker position ON/OFF Display of charging condition of coilspring energy storage mechanism Operations counter 1 2 Possible equipment: Electric motor Pump suppresser Auxiliary switch for motor, controls and locking mechanisms Additional releases (refer to page 7) Very high mechanical service life through optimised power transmission of precisioncoordinated subassemblies with end position damping Flexible application through compact design Shorter delivery times Fast retrofitting possible (e.g. motor operating mechanism, auto reclosing) Exceptionally high service life Minimum amount of maintenance Previous models can be replaced at any time 5

6 Technical data Rated voltage Rated frequency Rated current Rated shorttime current Rated shortcircuit duration Rated peak withstand current Rated impulse withstand voltage Rated power frequency withstand voltage Closing time approx. Arcing time Opening time approx. Direct current component Rated short circuit breaking current Rated short circuit making current Rated cable charging breaking current Operating cycles of the vacuum tube at rated current of the vacuum tube at rated short circuit breaking current of the breaker mechanism Cable charging switching class Mechanical life Application class U r f r I r I k t k I p U p U d ms ms ms % I sc I c 12 kv 50 Hz A... 3 s...80 ka 75 kv 28 kv 65 < ka A C2 M2 S1 50 Hz...00 A... 3 s...80 ka 1 kv 50 kv 65 < ka 31,5 A C2 M2 S1 36 kv 50 Hz... A 3 s 50 ka 170 kv 70 kv 65 < ka 50 A C2 M2 S1,5 kv 50 Hz... A 3 s 50 ka 180 kv 80 kv 65 < ka 50 A C2 M2 S1 Types: V...FBK V...KUF with coil spring stored energy mechanism, frontpanel mounting for manual operation with coil spring stored energy mechanism and suitable for automatic reclosing, frontpanel mounting for motorised operation Rated switching action sequence: O 0,3s CO 15s CO O 3 min CO for motorised actuator for manual actuator Type designation Examples: V12630 FBK V24 KUF Vacuum circuit breaker V V Rated current (12 kv or ) Rated voltage ( or A) 630 Rated shortcircuit breaking current (ka) Design for frontpanel mounting (e.g. on switchgear truck) F with coilspring energy storage mechanism BK Design for frontpanel mounting (e.g. on switchgear truck) F with coilspring energy storage mechanism and suitable for autoreclosing KU 6

7 Schematic diagram of release mechanism Strikerpin arresting bolt M 5 only in Type RSA (remove for commissioning!) Manual operation (only in type ASA and WSA) AC operation DC operation Type Rated current (A) Rated voltage (V) Consumption (VA) Part no. Rated voltage (V) Consumption (W) Part no. Shunt release ASA ASA ASA ASA ASA ASA / Undervoltage release RSA RSA RSA RSA RSA /1 0 19,5 19, Transformeroperated release WSA WSA WSA 0,5 1,0 5, Motoroperated mechanism Motors can optionally be delivered for AC or DC systems. The motors operate in shorttime duty (S2). The supply voltage should not deviate from the rated supply voltage by more than 15% to +%. Motor voltage (V) 1 AC 0 AC 24 DC 48 DC DC 1 DC 2 DC Current input (A) 2,2 1,2 8,8 4,5 4,5 2,2 1,3 Consumption (VA) Consumption (W) Charging time (s) 8,2 7,8 9,3 7,3 5,7 8,2 8,8 Motor protection switch..a 2, ,6 6,3 4 6,3 4 6,3 2, ,6 (A) 2, ,4 4,6 3 1,1 7

8 Vacuum circuitbreaker Ur 12 kv Front view Side view Counter ONOFF Display Typeplate ON Display for number of operations available Manual emergency charging of energy storage mechanism OFF Contact design, Contact design 3) A, A, 00 A, 00 A Type Rated voltage Rated current Rated short circuit Pole distance breaking current p (mm) c c1 d H l Weight approx. (kg) Part no. 4) Drawing no. V12630 KUF 12 kv V12630 KUF 12 kv V12630 KUF 12 kv V12630 KUF 12 kv V12800 KUF 12 kv V12800 KUF 12 kv V12800 KUF 12 kv V12 KUF 12 kv V12 KUF 12 kv V12 KUF 12 kv V12 KUF 12 kv V31,5 KUF 12 kv A A A A 00 A 8) ka ka ka ka ka 155 6) ) ) ) 155 6) ) 2 0 5) , x x x x x x x x x x x x LS333 LS334 LS30947 LS LS335 LS35151 LS LS336 LS337 LS LS LS34762 The vacuum circuitbreakers of type KUF listed here are equipped with a motor actuator and are suitable for autoreclosing. All breakers are also available as type FBK, manually operated circuitbreakers. All types are also available as 1pole design. 1) hexagon bolt M12x40 (from A; M12x50) with nut, washer and lock washer 2) threaded pin (fixed) with nut, washer and lock washer 3) for A two connecting bolts and one connectiing bar, from A two connecting bolts and two connecting bars! 4) the last digit of the part numbers indicates the respective motor voltage: 747 xxxx1 = 0 V AC 747 xxxx2 = 1 V AC 747 xxxx3 = 2 V DC 747 xxxx4 = 1 V DC 747 xxxx5 = V DC 747 xxxx6 = 48 V DC 747 xxxx7 = 24 V DC 5) appropriate extra insulation is required 6) appropriate bar support is required 7) pressin nuts M12 at the top and bottom for mounting switchgear, refer also to c and c1 8) for application in metalencapsulated panels, are additional ventilation and cooling measures necessary 8

9 Vacuum circuitbreaker Ur Front view Side view Counter ONOFF Display Typeplate ON Display for number of operations available Manual emergency charging of energy storage mechanism OFF Contact design, Contact design 3) A, A, 00 A, 00 A Type Rated voltage Rated current Rated short circuit breaking current Pole distance p (mm) c c 1 d H l Weihth approx. (kg) Part no. 4) Drawing no. V24630 KUF V24630 KUF V24630 KUF V24630 KUF V24630 KUF V24630 KUF V24800 KUF V24800 KUF V24800 KUF V24800 KUF V24 KUF V24 KUF V24 KUF V24 KUF V24 KUF V24 KUF V2431,5 KUF V2431,5 KUF V240031,5 KUF V240031,5 KUF V240031,5 KUF V240031,5 KUF A A A A A A A A 00 A 8) 00 A 8) 00 A 8) 00 A 8) ka ka ka ka ka ka ka ka 2 5) 0 2 5) 0 2 5) 0 2 5) 0 2 5) 0 2 5) ,5 476,5 476,5 476,5 476,5 482, x x x x x x x x x x x x x x x x x x x x x x LS33303 LS33304 LS33305 LS LS LS LS33306 LS33307 LS LS LS33308 LS33309 LS333 LS LS LS LS LS LS33312 LS LS LS33313 The vacuum circuitbreakers of type KUF listed here are equipped with a motor actuator and are suitable for autoreclosing. All breakers are also available as type FBK, manually operated circuitbreakers. All types are also available as 1pole design. Footnotes 1) to 8) see left side page 8 9

10 Vacuum circuitbreaker Ur 36 kv and,5 kv Front view Side view Counter ONOFF Display Manual emergency charging of energy storage mechanism Typeplate ON Display for number of operations available OFF Contact design Contact design A Type Rated voltage Rated current Rated short circuit breaking current Pole distance p (mm) c d H l Weight approx. (kg) Part no. 4) Drawing no. V36630 KUF V36630 KUF V36 KUF V36 KUF V36630 KUF V36630 KUF V36 KUF V36 KUF 36 kv 36 kv 36 kv 36 kv,5 kv,5 kv,5 kv,5 kv A A A A 5) 400 5) 400 5) 400 5) ,5 544,5 550,5 550,5 544,5 544,5 550,5 550, x x x x 747 2x x x x LS LS LS30968 LS LS LS LS LS The vacuum circuitbreakers of type KUF listed here are equipped with a motor actuator and are suitable for autoreclosing. All breakers are also available as type FBK, manually operated circuitbreakers. All types are also available as 1pole design. 1) hexagon bolt M12x40 (from A; M12x50) with nut, washer and lock washer 2) threaded pin (fixed) with nut, washer and lock washer 3) for A two connecting bolts and one connectiing bar, from A two connecting bolts and two connecting bars! 4) the last digit of the part numbers indicates the respective motor voltage: 747 xxxx1 = 0 V AC 747 xxxx2 = 1 V AC 747 xxxx3 = 2 V DC 747 xxxx4 = 1 V DC 747 xxxx5 = V DC 747 xxxx6 = 48 V DC 747 xxxx7 = 24 V DC 5) appropriate extra insulation is required 6) appropriate bar support is required 7) pressin nuts M12 at the top and bottom for mounting switchgear, refer also to c and c1 8) for pole distance p=; 172,5 mm 9) for pole distance p=; 1 mm

11 Standard wiring diagram Accessories The accessories for the vacuum circuitbreaker consists of a emergeny handcrank for the energy storage mechanism. More accessories for the application in switchgears, for e.g. withdrawable trucks with and without motor actuator, auxiliary truck or service truck, can be find in brochure 785, switchpanels in withdrawable design Type WEL or E2K, E3K. A50 n n16,2 130 n26 B 184 ( 1 : 5 ) Part no A B Drawing no. LS LS LS LS LS39319/5 Application integral mounting 12, 24, 36 kv integral mounting 12, 24, 36 kv withdrawableunit design range 300 mm withdrawableunit design range 0 mm integral mounting 36 and,5 kv 11

12 Our range of products includes: Mediumvoltage systems Singlebus and duplicatebus switchgear Nonwithdrawable, withdrawable, and trucktype units Compact switchgear assemblies Customerspecific models Industrial systems Mediumvoltage switchgear Indoor switches, disconnectors, and earthing switches (single and triple pole) Indoor circuit breakers (low oil content and vacuum) Outdoor switches (low oil content and vacuum) Railway switches for power supply and catenary Highvoltage highbreakingcapacity fuses Customerspecific models Lowvoltage systems Openframework design Enclosed break devices (up to A) Cable and fixedstation distribution cabinets Lowvoltage switchgear Switch disconnectors Switch and fuse blocks Lowvoltage highbreakingcapacity fuses Compact substation Concrete construction Container construction Driving gear Handoperated and motoroperated mechanisms Indoor and outdoor driving gear Accessories For medium and low voltages For station equipment Insulators (0.5 kv.5 kv) Plastic and glassreinforced plastic screening Service Maintenance and Service of all switches and switchgears Training courses and seminars Thermography; Liveline working Dimensions, weights, diagrams and descriptions in the list are nonbinding. Subject to change without notice. switching electricity safely ELEKTROTECHNISCHE WERKE FRITZ DRIESCHER & SÖHNE GMBH D85366 MOOSBURG TEL FAX infoservice@driescher.de Order No