GE Digital Energy STS-400-25-3, Installation And Operating Manual

Page 1: ...ransfer Switch 400V 25 40 63 100A 3 4 pole GE Digital Energy General Electric Company Telephone 41 0 91 850 51 51 CH 6595 Riazzino Locarno Fax 41 0 91 850 51 44 Switzerland Website www gedigitalenergy...

Page 2: ...3 pole models STS 400 25 3 STS 400 40 3 STS 400 63 3 and STS 400 100 3 the 3 phase 4 pole models STS 400 25 4 STS 400 40 4 and STS 400 63 4 Please keep this manual in a safe place for future referenc...

Page 3: ...3 6 Starting up 4 OPERATION 21 4 1 Operation mode settings 4 1 1 Preferred source selection 4 1 2 Automatic retransferring 4 1 3 Manual operation 4 1 4 Reset button 4 2 Manual bypass operation 4 2 1...

Page 4: ...of this manual GE accepts no responsibility or liability for any loss or damage resulting from the use of the information contained in this document This document shall not be copied nor reproduced w...

Page 5: ...e care and use of safety equipment Are trained to immediate rescue measures first aid Have completed instructions with appropriate confirmation of GE 1 4 Intended use A Static Transfer Switch STS is d...

Page 6: ...a controlled indoor environment and free of conductive contaminants and protected against animal intrusion Check for sufficient floor loading capacity Avoid placing the unit in direct sunlight or nea...

Page 7: ...wledge of the overall system and should be carried out by properly qualified skilled and competent service personnel only Refer to section 1 3 for further details Operators shall make sure that the sy...

Page 8: ...rging of Lead Acid batteries guideline The standards mentioned above fulfil the requirements for CE marking The product mentioned in this manual conforms to the relevant requirements to the appropriat...

Page 9: ...upplied to the load The neutral wires in the 3 pole STS type are connected together whereas the neutral wires in the 4 pole type are being switched the same way as the phase wires The static transfer...

Page 10: ...RCE ON K5 STS SECONDARY SOURCE ON In normal mode of operation the process of transferring the supply from one input to the other one is performed automatically The start up procedure is described in c...

Page 11: ...ure 3 STS with opened door PRIMARY SECONDARY NORMAL BYPASS BYPASS MODE K1 STS K2 STS OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 STS PRIMARY SECONDARY BYPASS BYPASS ON OFF SW1 SW2 SW3 SW4...

Page 12: ...Figure 4 a High current terminals location for all types excluding STS 400 100 3 cover removed PRIMARY SECONDARY NORMAL BYPASS BYPASS MODE K1 STS K2 STS OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K...

Page 13: ...Switch g Figure 4 b High current terminals location for STS 400 100 3 cover removed PRIMARY SECONDARY NORMAL BYPASS BYPASS MODE K1 STS K2 STS OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 S...

Page 14: ...l Energy Static Transfer Switch g OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 STS Figure 5 a Fuses and TVSS location without STS 400 100 3 KO1 KO2 Primary Source Fuses O2 O3 O1 Output Fuse...

Page 15: ...tal Energy Static Transfer Switch g OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 STS Figure 5b Fuses and TVSS location for STS 400 100 3 KO1 KO2 KO3 Primary Source Fuses Fuse burn indicatio...

Page 16: ...ient Voltage Surge Suppressor are placed behind the plate with MAIN AND AUXILARY FUSES label figure 4 Exchange of fuses and TVSS units is possible after removing that plate figure 6 Fuses are placed i...

Page 17: ...ring transport pay attention to For storage and transport the cabinet of the Static Transfer Switch STS is covered with cardboard sheet belted with steel wrapping bands to europalettes or other suitab...

Page 18: ...to the frame 4 Recycle the packing material in compliance with all applicable regulations 3 3 Location This STS is intended to be used in a controlled indoor environment and free of conductive contami...

Page 19: ...ings and strictly follow the procedures and practices as described in this manual Do not touch electronic components They may be electrostatic sensitive and are for that reason easily damaged due to i...

Page 20: ...device PRIMARY SOURCE into the X01 PRIMARY SOURCE terminal figure 4 7 Firmly connect five wires coming from the second supplying device SECONDARY SOURCE into the X02 SECONDARY SOURCE terminal figure...

Page 21: ...on OPERATION button is released if manual mode is on Remote control is blocked when manual mode is on 3 Set switch K4 STS PRIMARY SOURCE into ON position 4 Check if the LEDs on the control panel indic...

Page 22: ...if the preferred source is healthy again Manual mode connections are set manually not automatically 4 1 Operation mode settings Three buttons on the control panel determine the current operation mode...

Page 23: ...Manual operation Button designation Position designation Operation MANUAL button is released Manual operation is active OPERATION MANUAL is on MANUAL LED is on NOTE OPERATION AUTOMATIC button is push...

Page 24: ...ck if LEDs on the control panel indicate that the primary source is preferred healthy and currently supplying the load 3 Open the door of the STS 4 Unscrew the knurled nut that locks the Interlock Pla...

Page 25: ...SS BYPASS MODE K1 STS K2 STS OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 STS PRIMARY SECONDARY BYPASS BYPASS RELAY COMMUNICATION TERMINAL BLOCK XO1 PRIMARY SOURCE XO3 OUTPUT XO2 SECONDARY...

Page 26: ...tic operation 3 Open the door of the STS 4 Unscrew the knurled nut that locks the Interlock Plate 5 Set switch K4 STS PRIMARY SOURCE into ON position 6 Check if LEDs on the control panel indicate that...

Page 27: ...control panel indicate that the secondary source is preferred healthy and currently supplying the load 3 Open the door of the STS 4 Unscrew the knurled nut that locks the Interlock Plate 5 Set switch...

Page 28: ...Figure 10 Switches set for secondary bypass mode of operation K1 STS K2 STS OUTPUT PRIMARY SOURCE SECONDARY SOURCE K4 STS K3 STS K5 STS PRIMARY SECONDARY BYPASS BYPASS PRIMARY SECONDARY NORMAL BYPASS...

Page 29: ...automatic operation 3 Open the door of the STS 4 Unscrew the knurled nut that locks the Interlock Plate 5 Set switch K5 STS SECONDARY SOURCE into ON position 6 Check if LEDs on the control panel indi...

Page 30: ...is out of order 6 Switch off K4 PRIMARY SOURCE 7 STS immediately transfers the load to the secondary source You can check the output transfer time locking output voltage waveform during transfer by o...

Page 31: ...switches K3 STS OUTPUT K4 STS PRIMARY SOURCE and K5 STS SECONDARY SOURCE should be in ON position Switches K1 STS PRIMARY BYPASS and K2 STS SECONDARY BYPASS should be in OFF position 9 Close the door...

Page 32: ...orrect notice crest factor of output current After restoring right condition nominal load heatsink temperature drops down below sensor deactivation level hysteresis It takes about 1 hour time During t...

Page 33: ...of operation and with switches K3 K4 and K5 in OFF position ON OFF SW1 SW2 SW3 SW4 SW5 SW6 SW8 SW7 MAIN AND AUXILARY FUSES Figure 11 Access to DIP switches ON OFF SW1 SW2 SW3 SW4 SW5 SW6 SW8 SW7 ON 1...

Page 34: ...ON X 16 SW2 Overvoltage level for PRIMARY SOURCE OFF OFF ON X 20 OFF OFF OFF X forbidden ON OFF OFF X 8 ON ON OFF X 12 OFF ON OFF X 16 OFF ON ON X 20 SW3 Undervoltage level for SECONDARY SOURCE OFF OF...

Page 35: ...antaneous current is larger than set level transfer is not performed OFF OFF X X 25 s OFF ON X X 1 s ON OFF X X 8 s Retransferring delay ON ON X X 0 8 s X X OFF OFF 50 ms X X OFF ON 17 ms X X ON OFF 2...

Page 36: ...ON OFF OFF OFF 8 SW2 Overvoltage level for PRIMARY SOURCE ON OFF OFF OFF 6 SW3 Undervoltage level for SECONDARY SOURCE ON OFF OFF OFF 8 SW4 Overvoltage level for SECONDARY SOURCE ON OFF OFF OFF 6 SW5...

Page 37: ...11 11 NO 12 12 COMM Output FAILURE ALARM 2 Alarm is set if there is electrical connection between common and NO terminal 13 13 NC 14 X10 14 NO 15 1 COMM Output SECONDARY SOURCE ON Secondary source wa...

Page 38: ...ve source may be changed even if second one is not operational 4 6 2 Communication Interface Module CI M1 The Communication Interface Module CI M1 is delivered as an option and it is used to communica...

Page 39: ...R TRANS and it has 16 positions Table 8 below shows the settings and corresponding transmission speed Table 8 PR TRANS setting Transmission speed in bauds 0 600 1 1200 2 2400 3 4800 4 9600 5 19200 6 3...

Page 40: ...ccordance with the MODBUS RTU protocol where the transmission module is in Slave mode of operation Register value and its meaning is presented in table 9 below Table 9 Objects map for MODBUS protocol...

Page 41: ...2 4 8 125 7 D 178 B 2 231 E 7 20 1 4 73 4 9 126 7 E 179 B 3 232 E 8 21 1 5 74 4 A 127 7 F 180 B 4 233 E 9 22 1 6 75 4 B 128 8 0 181 B 5 234 E A 23 1 7 76 4 C 129 8 1 182 B 6 235 E B 24 1 8 77 4 D 130...

Page 42: ...current terminal Cross section for the wire maximum Terminal designation Designation STS 400 100 3 Others PE 70 mm2 35 mm2 L1 70 mm2 35 mm2 L2 70 mm2 35 mm2 L3 70 mm2 35 mm2 X01 X02 X03 N 70 mm2 35 m...

Page 43: ...A gG 63A gG 125A gG 80A gG 50A gG 100A gG 63A gG 40A gG STS 400 63 3 4 Fuses of line A and B minimum value STS fuses Fuses of load lines maximum value 100A gG 63A gG 40A gG 80A gG 50A gG 32A gG 63A gG...

Page 44: ...RMS neutral STS 400 40 4 3 x 40 A RMS 80 A RMS neutral STS 400 25 4 3 x 25 A RMS 50 A RMS neutral STS 400 100 3 3 x 100 A RMS 200 A RMS neutral STS 400 63 3 3 x 63 A RMS 125 A RMS neutral STS 400 40 3...

Page 45: ...ting 8 12 16 16 24 Transfer is performed when voltage value crosses the level Programmed by DIP switch selection Phase delay limit for synchronized sources 8 12 16 20 24 Programmed by DIP switch selec...

Page 46: ...AL mode of operation is selected active source may be changed even if second one is not healthy RETRANSFER OFF relay Retransfer to preferred source is not performed PRIMARY SOURCE OK relay Indicating...

Page 47: ...OPM_STS_400_25A_100_1GB_V011 46 GE DE STS installation and operating manual 1 1 GB Digital Energy Static Transfer Switch g 5 2 Dimensions Figure 16 Front view...

Page 48: ...OPM_STS_400_25A_100_1GB_V011 47 GE DE STS installation and operating manual 1 1 GB Digital Energy Static Transfer Switch g Figure 17 Side view of STS...

Page 49: ...OPM_STS_400_25A_100_1GB_V011 48 GE DE STS installation and operating manual 1 1 GB Digital Energy Static Transfer Switch g Assembly holes Figure 18 Top view of STS...