ABB DS1 Page 30 Installation And User Manual Download

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Annex A - Terminal Block for auxiliary control circuit

Figure 27. DS1 Terminal block for auxiliary control circuit

ABB S.p.A - Power Products Division

Unità Operativa Sace-MV

-XDB

Terminal

board

inside

the

DS1

Terminal connection functions

Provided

Northeast

Power

Systems,

Inc.

(NEPSI)

Summary of Contents for DS1

Page 1: ...nostics Table 17 5 Installation Guideline 18 5 1 General 18 5 2 Before installing the apparatus 18 5 3 Installation requirements 18 5 4 Installation of fixed apparatus 19 5 5 Additional installation recommendations 19 5 6 Preliminary operations 19 6 Fixed Apparatus power circuit connections 20 6 1 General directions 20 6 2 Mounting the connections 20 6 3 Mounting procedures 20 6 4 Three phase powe...

Page 2: ...Provided by Northeast Power Systems Inc NEPSI ...

Page 3: ...tem shut down wait at least one minute until the control system consumes the energy stored inside the internal capacitor for the control system to shut down internal leds turn off before touching any of the electrical equipment Additional precautions for the internal capacitor must be observed especially if it has been disconnected by the control system or if maintenance is performed for a suspect...

Page 4: ...screpancies are discovered when the apparatus is unpacked notify ABB directly or through the agent or supplier as soon as possible and in any case within five days of receipt The apparatus is only supplied with the accessories specified at the time of order and confirmed in the order acknowledgement sent by ABB The following documents are included in the shipping packing Instruction manual this do...

Page 5: ... a temperature between 15 C and 55 C In any case avoid accidental impact or positions which could stress the structure of the apparatus 1 5 Handling When handling the apparatus always take great care not to stress the insulating parts or the apparatus terminals The apparatus must not be handled by inserting lifting devices directly under it If this method is unavoidable place the apparatus on a st...

Page 6: ...disposed of either thermally in an incineration plant or in a waste site whichever is the best solution as regards materials limitation of environmental impact on the environment and compliance with the local laws in force Raw material Recommended disposal method Metal material Fe Cu Al Ag Zn W others Separation and recycling Thermoplasts Recycling or disposal Epoxy resin Separation of metal mater...

Page 7: ... DS1 main assembly DS1 is a special purpose capacitor switch specifically designed for managing capacitive loads in symmetric and balanced systems The load layout must be the full capacitive star configura tion and floating center load type The device uses diode switching technology and is dry air insulated see Pressure Monitoring section for details One additional upstream voltage sensor for MV n...

Page 8: ...ting in the maintenance mode due to incorrect wiring of the upstream CB interlock See specific section for details of the upstream interlock feature ABB declines all liability for the product following failure to comply with these guidelines when DS1 is installed Since it is a special purpose capacitor switch based on diodes for switching DS1 is unable to break and make a fault current It can swit...

Page 9: ...g level However functionality at the DS1 pressure warning level of is fully ensured The device stops operating at blocking pressure Relative Humidity 93 DS1 has been designed to work in indoors where the relative humidity is high The design technique includes conformal coating of all elec tronic boards inside the control system In addition vertical positioning of the electronic components is anoth...

Page 10: ...elative kinematic chain IMPORTANT The Input and Load output sides must not be inverted DS1 must not be assembled upside down Note The illustration is indi cative and not binding We reserve the right to make changes without notice in the course of technical development of the product Figure 6 Section of DS1 power part By turning the drive shaft through approx 140 degrees the power contacts will cha...

Page 11: ...e command as the trigger In addition to this feature a precise ability to coordinate three phase system movement and diode technology achieve very performance oriented switching capability without significant inrush AC voltage distortions or high frequency disturbance as well as precise zero crossing current cut off Typical DS1 switching behaviour is outlined below where main circuit making and br...

Page 12: ...uts The Ready and Alarm outputs are AC DC insulated outputs dry contact Their electrical characteristics are illustrated in the graph below Compliance with the current rating is mandatory so as to prevent damage to the dry contact The contact data and maximum DC load breaking capacity are indicated in the table and graph below Contact data Contact configuration Watch Dog NC others NO Contact set s...

Page 13: ...oes not allow fault making and fault breaking events you are also strongly advised to ensure safe coordina tion of the interlock circuit when the upstream CB is operated requested by control room OR protection fault TRIP when the downstream earth switch is closed In both the above situations you are strongly advised to coor dinate the interlock function in order to open the interlock loop and prev...

Page 14: ...n Close are accomplished by synchronizing the move ment of the power part in order to energize and de energize the power capacitor bank with the internal power diode when requested by the substation In addition to its main function DS1 is equipped with a pow erful diagnostics able to identify internal faults motor control system etc in the system before the operation Ready Output OFF Not ready Con...

Page 15: ...y of the contact is recommended Alarm ON indicates a fault concerning power part positioning OR a response to internal diagnostics as described below Incorrect positioning at startup which can be adjusted by means of the commissioning procedure described below only feasible in a de energized condition Bad behaviour during actuations can be adjusted by means of the commissioning procedure but only ...

Page 16: ... the red led will be on for the entire unit the shaft supervision function is blocking all the modules If the pole positions are ok and other diagnostics checks are performed successfully the units will be ready to operate the red led on the control system will now turn off with the exception of the Master system unit The Master system not only allows the individual subsystem diagnostics to operat...

Page 17: ...a check OPEN Warning Low DS1 is not ready to perform a close operation Check Actions Check pressure level If it is not ok plan a refill If it is ok and this condition persits contact ABB and plan a check OPEN ALARM OK DS1 is not ready to perform a close operation DS1 reached the final position after an open operation but an anomaly was detected during the operatios Contact ABB and plan a check Inc...

Page 18: ... variations must not however exceed 1 4 Hz Ungrounded capacitor banks The synchronization signal acquisition logic of the DS1 is suit able for operating only on capacitor banks These capacitors must have an ungrounded centre of the star In case of retrofit on an existing capacitor bank with inrush reactors such reactors must be eliminated or the DS1 must be electrically located downstream with res...

Page 19: ...ernal arc in case of failure because the apparatus is not designed to meet any safety requirements in the event of faluts Clean the insulating parts with a clean dry rag and check that the upper and lower terminals are clean and free from deforma tion caused by shocks received during transport or storage The apparatus can be mounted directly on the supporting frames The supporting frames must be o...

Page 20: ...nection Tighten the bolt taking care not to subject the insulating parts to stress see table tightening torque Make sure that the connections do not exert force on the ter minals In the case of cable connections carefully comply with the manufacturer s instructions for terminating the cables Table of tightening torque Screw Tightening torque M6 10 Nm M8 30 Nm M10 40 Nm M12 70 Nm Bare copper Silver...

Page 21: ...ions to capacitive load Take care to comply with the correct sense of rotation R S T as indicated in the previous section 6 5 Load connection The only permissible load configuration for DS1 is capacitive load three phases STAR configuration NEUTRAL POINT NOT CONNECTED TO GROUND No other configurations are allowed Figure 16 Permissible load configuration The capacitor bank the load must be connecte...

Page 22: ...al of DS1 after the inrush reactor itself Install the voltage sensor with a clean layout in the compart ment Comply with the required insulation clearance the shape of the connections rounded and use screws with round shapes Make sure that the GROUND of the sensor is effective Take care of the paint in the compartment since it can produce in sulation and compromise sensor grounding The 4 holes at ...

Page 23: ... the apparatus Clean and degrease an area about 30 mm in diameter all around Cover the entire joint with vaseline after completing the assembly Use a conductor bus bar or braid with the cross section indicated by the Standards in force 6 8 Earthing 6 9 Auxiliary circuit connection The minimum cross section of the wires used for the auxiliary circuits must not be less than that used for the interna...

Page 24: ...nd signaling occur correctly Table 6 General commissioning verifications 7 2 Startup and maintenance features As shown in the electrical terminal block ANNEX A and described in the previous sections DS1 provides a simple interface comprising the following binary input Upstream Circuit Breaker CB Interlock Allows the switch to operate even if the system is not energized and consequently not synchro...

Page 25: ...harging valve 7 4 Interface summary for Maintenance and Commissioning The BI BO outlined below allow full management of DS1 Open Binary Input Close Binary Input Interlock loop made in the internal wiring of DS1 Reset Binary Input Homing Binary Input Upstream CB binary Input Pressure OK active high contact from the pressure sensor Pressure Warning active high contact from the pressure sensor Pressu...

Page 26: ...ponding positions The only connections that must remain are the two Power Sup ply wires Terminal boards 1 and 2 Make sure that terminals 10 and 20 are linked with a short wire so as to provide the Interlock command Install all the interlocks switches required to coordinate the power plant in order to obtain all the correct interlock hier archy levels Take care of the interlock loop when the system...

Page 27: ...ion DS1 is securely fixed to its support and that there are no significant vertical oscillations otherwise it means that the indications provided for position ing and fixing the apparatus in the compartment have not been followed correctly Perform some Open Close cycles and check that when the key switch is released it will return automatically to the CCW position the Ready indicator is OFF and th...

Page 28: ...he following opera tions Check that all parts are free from built up dust dirt cracks and discharge traces in the following points Check main bus bar screws tightening torque Check apparatus fixing screws tightening torque Remove the main cover and check the screws tightening torque for terminal board connection Check all the wiring inside DS1 and its integrity Check the synchronization cable IMPO...

Page 29: ...nly be carried out by ABB personnel Replacement of any parts included in the List of spare parts accessories must only be carried out by ABB personnel 8 7 Replacement due to System malfunc tions Contact the ABB personnel for assistance if the system func tions in a faulty way The apparatus must be sent to the manufacturer s factory if the following parts must be replaced Complete pole with bushing...

Page 30: ...control circuit Figure 27 DS1 Terminal block for auxiliary control circuit ABB S p A Power Products Division Unità Operativa Sace MV XDB Terminal board inside the DS1 Terminal connection functions Provided by Northeast Power Systems Inc NEPSI ...

Page 31: ... for DS1 integration dimensions in mm B 2 Internal connections For the internal circuit diagram refer to the official circuit dia gram provided with the apparatus or ask for support from your ABB sales representative Tipo Type U In Frequency Version for Provided by Northeast Power Systems Inc NEPSI ...

Page 32: ...8 D 40472 Ratingen D 14542 Glindow Phone 49 0 2102 12 1230 Fax 49 0 2102 12 1916 E mail powertech de abb com www abb com The data and illustrations are not binding We reserve the right to make modifications following technical developments to the product Copyright 2015 ABB All rights reserved 1VCD601369 Rev en DS1 Installation and user manual 2015 12 mt For more information please contact Provided...

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