Siemens SDR 15.5 Instruction Manual Download Page 1

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Instruction manual

Type SDR 15.5 kV to 27 kV triple-single distribution recloser

Installation operation maintenance E50001-F710-A412-X-4A00

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www.usa.siemens.com/reclosers

Summary of Contents for SDR 15.5

Page 1: ...Instruction manual Type SDR 15 5 kV to 27 kV triple single distribution recloser Installation operation maintenance E50001 F710 A412 X 4A00 Answers for infrastructure www usa siemens com reclosers ...

Page 2: ...nstallation construction or operation of the equipment and the hazards involved In addition this person has the following qualifications Is trained and authorized to de energize clear ground and tag circuits and equipment in accordance with established safety procedures Is trained in the proper care and use of protective equipment such as rubber gloves hard hat safety glasses or face shields flash...

Page 3: ...on manual shall not become part of or modify any prior or existing agreement commitment or relationship The sales contract contains the entire obligation of Siemens Industry Inc The warranty contained in the contract between the parties is the sole warranty of Siemens Industry Inc Any statements contained herein do not create new warranties or modify the existing warranty Table of contents Introdu...

Page 4: ... of supply and technical data and also the equipment and special tools supplied are used exclusively for their intended purpose in accordance with the provisions of these operating instructions and applicable laws codes regulations and standards Any other use is forbidden unless the consent of Siemens has been obtained If the above mentioned conditions are not observed or the safety instructions a...

Page 5: ...rol power removed before performing any tests maintenance or repair 2 Always perform maintenance on the control cabinet only after the capacitors are discharged see page 13 3 Check to be certain the indicator flag is green indicating that the switch unit is in the open position see Figure 7 4 Always let an interlock device or safety mechanism perform its function without forcing or defeating the d...

Page 6: ...nformation related to the recloser switch units and the controller The instruction manual does not cover the switch units mounting frame control and protection relay or related accessories for example surge arresters external voltage sensors modems or radios For information pertinent to the mounting frame for the switch units refer to the frame installation drawing provided with the order specific...

Page 7: ...single recloser switch unit with encapsulated vacuum interrupter The type SDR triple single vacuum recloser consists of three single phase switch units The three switch units are typically close coupled in a common mounting frame refer to Figure 3 Typical triple single close coupled pole mounting front view on page 8 but may be separately mounted in close proximity for applications such as cluster...

Page 8: ...3 Integrated voltage sensor optional connected to lower terminal 4 Lower terminal with SAE 3 4 10 UNC 2A threaded connector usually load side 15 5 kV and 27 0 kV Terminal lugs optional 1 2 3 4 Figure 3 Typical triple single close coupled pole mounting front view Figure 4 Typical triple single close coupled pole mounting rear view 1 Vertical brace assembly 2 Upper lifting eye 3 Upper terminal surge...

Page 9: ...nce of high voltage on the sensor cable if the sensor cable is removed while the switch unit is in operation Do not disable the varistor circuit Operating mechanism The operating mechanism for each of the three vacuum interrupters is located in a separate metal housing To meet the required fast reclosing cycles a magnetic actuator with capacitors as energy storage drives the switch units Each oper...

Page 10: ...vailable Consult frame installation drawing provided with the order specific drawings for information on mounting frames Control and protection relays The term type SDR controller refers to the control cubicle as described by the type SDR distribution recloser The option for control and protection relays are brand specific This instruction manual includes information on the type SDR controller to ...

Page 11: ...ith discharge switch for the capacitors PCB2 not included with the Schweitzer Engineering Laboratories Inc type SEL 651R recloser control relay option PCB3 Capacitors for magnetic actuator PCB3 not included with the Schweitzer Engineering Laboratories Inc type SEL 651R recloser control relay option Note The triple single type SDR controller requires one PCB2 switch unit driver and one capacitor ci...

Page 12: ...f 1 Connector mounting plate 2 Control cable connector 3 Optional voltage sensor connector 4 Optional auxiliary power connection 5 Optional antenna connector provision Figure 13 Connector mounting plate control cable connector voltage sensor connector and optional antenna or auxiliary power connection Figure 16 Optional door alarm 1 Optional door alarm 1 2 3 4 5 1 2 3 1 1 ...

Page 13: ...rd PCB2 serves to discharge the capacitors In the discharge capacitors position I the capacitor charging operation is turned off and the capacitors are discharged via a resistor discharge of the capacitors takes roughly one minute When capacitors are charged and the switch is changed from the operating position O to the discharge capacitors I position the red LED next to switch illuminates When th...

Page 14: ...ions restart automatically by closing CB3 If the batteries are not in use they should be recharged at intervals of six months Deep discharge protection provided with the Siemens type 7SR224 control and protection relay The controller is equipped with deep discharge protection to avoid damage to the batteries if the auxiliary power supply is absent for an extended time In case of loss of auxiliary ...

Page 15: ...ion must be on delivery receipt 3 Notify the Siemens field service at 1 800 347 6659 or 1 919 365 2200 outside the U S 4 Arrange for carrier s inspection Do not move the unit from its unloading point Handling procedure 1 Carefully remove the packing material from the recloser Keep the shipping pallet for later use if the recloser is to be stored prior to its installation 2 Inspect for concealed da...

Page 16: ...indoor and outdoor storage to prevent condensation and corrosion The controller space heater should be connected to a 120 Vac auxiliary supply at terminal block X1 as discussed in Connecting the auxiliary voltage supply on page 21 of this instruction manual Refer to the wiring diagrams provided with the order specific drawings for terminal numbers and terminal block location After these connection...

Page 17: ...ill cause death serious injury or property damage To avoid electrical shock or burns this equipment must be installed operated and maintained only by qualified persons thoroughly familiar with the equipment instruction manuals and drawings Heavy weight Can result in death serious injury or property damage Obtain the services of a qualified rigger prior to hoisting the recloser switch unit to assur...

Page 18: ...ry work Both the installation and commissioning report see page 32 and these installation instructions are based on the sequence of the work to be performed The on site conditions may result in deviations from the sequence shown The following preparatory work must be performed Instruct installation and maintenance personnel with regard to 1 Safety 2 Cleanliness at installation site 3 Safety markin...

Page 19: ...s at the recloser switch unit and the controller When connecting the cables the covers should be stored in a clean and dry environment such as the controller enclosure in case of later use during disconnection of the cables Electrical installation The following must be carried out in order to establish the electrical connections Establish the ground earth connection Connect the recloser switch uni...

Page 20: ...ts The lower cable has a 12 pin connector on the end that connects to the type SDR triple single controller The end nearest the recloser switch units has a 10 pin in line weatherproof connector The upper cable has a mated 10 pin connector with three leads at least four feet in length Each lead is marked with the phase identification of the corresponding recloser switch unit pole The connection on ...

Page 21: ...g diagrams supplied with the order specific drawings for terminal numbers and terminal block location Optional provision for connectorized power supply cables may be provided as shown in Figure 22 Triple single type SDR controller connections on page 20 Establishing high voltage connection The recloser switch unit is equipped with terminal connectors to fasten cables or with flat spade connectors ...

Page 22: ...g comprises electrical switching remote and or local operation and mechanical switching by means of the lockout handles Switching is carried out automatically by the controller to protect the network by remote control or manually on site Local operation Local operation describes the manual electrical switching of the reclosers on site Manual switching using the lockout handles is discussed in the ...

Page 23: ...r position The recloser pole opens By operating the lockout mechanism the recloser pole is opened mechanically and locked in this position The mechanical position indicator on the bottom of the recloser switch unit pole shows green The green OPEN LED for the selected phase recloser pole on the protection and control relay indicates the switch unit pole has operated If three phase trip and lockout ...

Page 24: ...f necessary Failure of batteries The batteries are protected by a miniature circuit breaker in the front of the swing panel 1 Check miniature circuit breaker CB3 and switch on if necessary 2 Check the battery status via the protection and control relay menu or monitoring device and replace batteries if necessary Closing of a recloser pole or poles is blocked Manual lockout handle or handles is not...

Page 25: ...wing work should be carried out as part of regular inspections reflected in Table 3 Spare parts Parts must be replaced only by instructed and certified personnel Refer to list in Table 4 Hazardous voltages Will cause death serious injury or property damage Always de energize and ground the equipment and all terminals before performing any work near high voltage conductors Work on the recloser swit...

Page 26: ...ion and commissioning section of the control and protection relay instruction manual 2 Function test of lockout handles Four years adjust interval according to experience Reset counter Switching operations since last visit refer to control and protection relay instructions Following every maintenance session Table 3 Maintenance plan Accessory spare part Order number Surge arresters 3EK7 On request...

Page 27: ...tween phases in mm 14 8 376 14 8 376 Flashover distance Unit Phase phase in mm 12 3 312 12 3 312 Phase ground earth in mm 10 4 265 10 4 265 Creepage distance Unit Phase ground earth in mm 31 9 810 31 9 810 Between line side and load side terminal in mm 46 1 1 170 46 1 1 170 Table 5 Main characteristic data Protective function Unit Minimum trip current Phase faults A 40 40 Ground earth faults A 4 4...

Page 28: ...in line with Figure 30 Example At 2 500 m altitude a unit rated 110 kV BIL under usual service conditions will have a lightning impulse withstand capability of 110 K 110 em h 1000 8150 110 1 2 91 5 kV Table 9 Power consumption Auxiliary system Unit Power consumption Auxiliary power requirement controller W 15 typically 10 Auxiliary power requirements heating controller and switch unit W Control cu...

Page 29: ...switch unit dimensions in mm 1 19 3 490 2 26 9 673 3 29 1 739 4 42 8 1 087 5 23 5 597 6 14 5 368 7 0 88 22 x 1 25 32 slot 8 14 6 371 close coupled pole to pole 9 46 3 1 176 total close coupled width Note Typical triple single close coupled pole mounting front view shown Refer to the frame installation drawing provided with the order specific drawings for dimensions and information on mounting fram...

Page 30: ... length x width x height without pole mount brackets in mm 18 0 457 x 14 0 356 x 36 0 914 Weight without batteries lbs kg 150 67 Figure 32 Controller dimensions in mm 1 18 0 457 2 14 0 356 3 36 0 914 4 40 5 1 029 center line pole mounting bracket bolt holes 1 2 3 4 ...

Page 31: ...ture production date 10 Rated continuous current Ir 11 Rated symmetrical interrupting current Isc 12 Weight 13 Standard 14 Product type style 15 Sales order number 16 Sales item number 17 Switch type 18 Instruction manual code Product Type Style Switch Manufacturer Sales Order No Switch Type Sales Item No Switch A Serial No Serial No Switch A Prod Date Production Date Switch B Serial No Weight Swi...

Page 32: ...32 Installation and commissioning report Installation and commissioning report The installation and commissioning report on the following pages is intended for using and copying as a checklist ...

Page 33: ...losers Installation and commissioning report Type SDR distribution recloser User Location Contract number Rated maximum voltage kV Auxiliary voltage Siemens Type SDR Recloser type Serial number Rated continuous current A Rated short circuit current kA ...

Page 34: ... installation Item Checklist Notes B 01 All bolted connections and other assembly elements are tight B 02 Batteries are installed correctly All four are connected in series Contacts point to the center of the battery tray Polarity labeling on the supply wires on the left and right correspond to actual connection of the batteries Hook and loop straps are over the batteries and fastened tightly B 03...

Page 35: ...phase is no longer lit LED next to the Open function button for each phase lights up green Position indicator on the bottom of the recloser switch unit for each phase is green open C 05 Press the Close function button on the control and protection relay for either phase A B or C and then press Enter Recloser for each phase closes LED next to the Open function button for each phase is no longer lit...

Page 36: ...t to the Close function button for each phase lights up red Position indicator on the bottom of the recloser switch unit for each phase is red C 12 Select Mode C 1PTrip1Plo from control and protection relay using the control mode C 13 Repeat C 03 through C 11 for phases A B and C Each phase will now operate independently C 14 Switch on miniature circuit breaker CB2 At external temperatures of 95 º...

Page 37: ... On site instruction on recloser controller E 04 Order specific drawings are available E 05 Type 7SR224 quick reference guide available Table 16 Other services Job Name Department Date Signature Technician Commissioning engineer Owner Supervisor Instructed person Table 17 Remarks Table 18 Signatures ...

Page 38: ...us en power distribution reclosers recloser controller htm Schweitzer Engineering Laboratories Inc type SEL 651R recloser control relay includes internal power module and capacitors which operate the swich unit magnetic actuator type SDR switch unit driver electronics PCB2 and capacitors PCB3 are not utilized http www selinc com SEL 651R Annex A ...

Page 39: ...39 ...

Page 40: ...l only exist if expressly agreed in the terms of contract All product designations may be trade marks or product names of Siemens AG or supplier companies whose use by third parties for their own purposes could vio late the rights of the owners Subject to change without prior notice Order No E50001 F710 A412 X 4A00 All rights reserved Printed in USA 2012 Siemens Industry Inc Siemens Industry Inc 7...

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