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Solcon MPS 3000, Manual

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MPS 

3

000

 

MOTOR PROTECTION SYSTEM 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Version: 18.7.2006 

 
 

Summary of Contents for MPS 3000

Page 1: ...MPS 3000 MOTOR PROTECTION SYSTEM Version 18 7 2006...

Page 2: ...load 16 Unbalance Bias Of Thermal Overload 17 New program for current voltage and temperature fault simulation useful for testing and for learning the MPS3000 on the engineer table 18 Power measuremen...

Page 3: ...Core Balance C T 16 Three C T s in a Residual Ground Fault Connection 16 FRONT PANEL OVERVIEW 17 LEDS 17 LCD Display 17 Keys Overview 18 FRONT PANEL SETTINGS 19 Startup 19 Reset to Factory Default Val...

Page 4: ...d maintenance should be in strict accordance with the instructions in this manual national codes and good practice Installation or operation not performed in strict accordance with these instructions...

Page 5: ...he mains voltage motor and cabling faults as well as operator malfunctions The MPS3000 monitors three phase voltages three phase ground fault currents temperature inputs from up to 10 sensors Four ana...

Page 6: ...the Authorized key input terminals Measured data Phase and line voltages Phase currents Ground fault current Power Reactive Power Power factor RTD temperatures thermistor resistances and Analog Input...

Page 7: ...WIRING DIAGRAM MPS3000 Page 7 of 67 WIRING DIAGRAM MPS3000...

Page 8: ...WIRING DIAGRAM MPS3000 C Page 8 of 67 WIRING DIAGRAM MPS3000 C...

Page 9: ...REAR PANEL MPS3000 and MPS3000 C Page 9 of 67 REAR PANEL MPS3000 and MPS3000 C...

Page 10: ...t 81 Decrease primary voltage setting by a 1 73 factor In this type of connection Line to Line voltage is connected to Line to Neutral input MPS3000 cannot detect phase sequence A positive phase seque...

Page 11: ...s electronics is isolated as one group together with the Analog inputs and with the Temperature input circuits Please note that only one common connection Ground have to be used for the analog inputs...

Page 12: ...t 5 28 Open For PLC control Closed For Serial Port control Operative only when Local Remote input is in closed Remote position Determines if control commands are accepted from PLC or Serial Port input...

Page 13: ...te Input A contact 13 36 Discrete Input B contact 14 37 Discrete Input C contact 15 38 Discrete Input D contact 16 39 Each of the above four discrete inputs can be configured for many applications lik...

Page 14: ...l functions used with the MPS3000 C Output Relay B N C 47 48 N O 47 49 Relay B can be configured as Trip Trip Fail Safe Tripping Alarm where it can be set for any group of faults or Of Starts Pre Alar...

Page 15: ...r Low speed of two speed motor Output C Relay Can be configured by parameter setting as one of the following functions Contactor A status Contactor B status Start Run controls line contactor in Star D...

Page 16: ...not used and ground fault protection is required use the residual Ground Fault Connection In this diagram terminal 92 which is the Ground Fault input current receives the sum of the C T outputs of the...

Page 17: ...rent Running ON after completion of starting process Indicates that motor s average current decreased below 115 of rated current Output A ON when Output A relay is energized Output B ON when Output B...

Page 18: ...n this page If key is pressed for more than 0 5 sec previous parameters will be displayed at a fast rate Press once to increase parameter value Press and hold to increase parameter value at a fast rat...

Page 19: ...atile memory the LCD displays the 2 Sec flash message Data Saved OK Notes 1 A new parameter setting becomes effective only after storing it in the non volatile memory Setting a parameter without stori...

Page 20: ...atile parameter check sum is found to be wrong Unauthorized Access When Authorized Key is open locked and a parameter change is attempted Also displayed after Unauthorized Store and Reset action Unabl...

Page 21: ...T TIME Notes 1 Pressing Store key while the LCD displays on Data Page or a Set Page parameter will store this parameter as the default display If no key is pressed for more than five minutes then this...

Page 22: ...load Settings Analog I O Settings Voltage Settings Power Settings Tripping Alarm Options Current Settings Temperature Settings Communication Settings Data Review By pressing Data Page key the LCD disp...

Page 23: ...ELAY 0 SEC U V AUTO RESTART BOTH SUP Vin U C LEVEL 1 50 OF FLC STP COOL T CONST 30 MIN CT PRIMARY 100 AMP CONFIG OUTPUT C ALARM FAIL SAFE U V RESTRT DELAY 4 0 SEC U C LEVEL 1 DELAY 2 SEC UNBALANCE K F...

Page 24: ...TIME PANEL RST ENABL 20 MODBUS for user selcted group of data U P LEVEL 2 DELAY 30 SEC Same settings for RTD 2 6 ANLOG OUT 2 PAR AVG LINE VOLTS MAX START TIME REMOT RST ENABL LOW POWER FACTOR 0 8 LAG...

Page 25: ...ERIOD 9 8 SEC TRIP GND CURRENT 0 AMP FREQUENCY 50 0 Hz TIME TO TRIP O L NO TRIP EXPECTED LAST START MAX I 760 AMP TRIP VP1 VP2 VP3 230 230 230 V POWER 563 2 KW TIME TO START 0 SEC TOTAL ENERGY 457 235...

Page 26: ...660V Increments of 1V Motor FLC 100 Amp Motor Full Load rated Current Range 1 2000A Increments of 1A C T Primary 100 Amp Primary rated current of Current Transformer No need to set Secondary rated cu...

Page 27: ...llowing three parameters values can be altered Max Time in Star 10 Sec Time period during which star contactor is closed This time will shorten if current decreases below Star to Delta at value but no...

Page 28: ...contactor of a Star delta starter Running Running indication Relay is activated after motor is started and current is reduced below 110 of Overload Pickup level Output Delay 0 Sec Time delay for Outpu...

Page 29: ...ge Yes No Param Settings Locked Out Can be used instead of external Authorized Key inputs When set as Not Locked external key options function normally When set as Not Locked external key inputs are i...

Page 30: ...se restart for mains failure duration of less than 0 5sec Restart occurs only if Motor was Starting Running before mains failure Turn off time is 0 1 4 sec 25 Range Disable Auxiliary Supply Measured V...

Page 31: ...C Increments of 1 U C Level 1 Delay 2 Sec Under Current Level 1 Delay Range 1 60 Sec Increments of 1 Sec U C Level 2 40 of FLC Under Current Level 2 Range 10 90 of Motor FLC Increments of 1 U C Level...

Page 32: ...time delay Note Unbalance Current level 1 will be activated when Unbalance Current exceeds 50 of the Unbalance Level 2 for more than 1 second fixed time period Range 10 40 of Motor FLC Increments of...

Page 33: ...min Increments of 1min Unbalance K Fctr 5 Unbalance K Factor Used to increase the motor s equivalent current as a result of Unbalance currents The Unbalance currents cause a negative Sequence Currents...

Page 34: ...1 Normally used for alarm indication Range 50 99 of maximum thermal capacity Increments of 1 Stall Time Fact 50 Stall Time Factor The ratio between motor thermal time constant when speed switch is clo...

Page 35: ...el 1 Delay 30 Sec Under Power Level 1 time delay Range 1 120 Sec Increment of 1 Sec Under Pwr Level 2 25 Under power level 2 in percent of rated power Range 5 99 Increment of 1 U P Level 2 Delay 30 Se...

Page 36: ...1 Range 0 250 EC Increment 1 EC T1 Level 2 140 EC RTD No 1 level 2 Range 0 250 EC Increment 1 EC T2 Level 1 120 EC RTD No 2 level 1 Range 0 250 EC Increment 1 EC T2 Level 2 140 EC RTD No 2 level 2 Ran...

Page 37: ...C or 1 10 K T8 Level 2 100 EC RTD or Thermistor No 8 level 2 Range 0 250 EC or 25 0 K Increment 1 EC or 1 10 K T9 Level 1 80 EC RTD or Thermistor No 9 at level 1 Range 0 250 EC or 25 0 K Increment 1 E...

Page 38: ...ted Line Voltage Vp3 Phase 3 to Neutral RMS Voltage of motor FLC of Rated Line Voltage Average RMS of Vp1 Vp2 Vp3 of motor FLC of Rated Line Voltage VL12 Line 1 to Line 2 RMS Voltage of motor FLC of R...

Page 39: ...1 Delay Range Below 0 100 Above 1 100 Anlog In 1 Delay 10 Sec Time Delay for Analog Input 1 Fault Range 0 250 Sec Anlog In 2 Type 4 20mA Selects between 0 20mA or 0 1mA by special order and 4 20mA an...

Page 40: ...1 S Link Save Lock Locked When set to Locked prevents setting through serial link communication When set to Not Locked setting through serial link is enabled Range Locked Not Locked Note It is only po...

Page 41: ...lt Trip and Alarm LEDs illuminate Output A B C D relays respond according to their configurations Output A and Output B LEDs displays the status of Output A B relays Mode Disabled Set Trip DISABLE Set...

Page 42: ...d to Remote and b PLC Serial Port input is switched to PLC c There is no Start signal Use only momentary reset inputs Reset Reset via serial link For MPS3000 the reset via serial link is always accept...

Page 43: ...will continue displaying Unbalance Alarm message on both LCD and Fault Data page This is to assist the user in establishing the cause of the alarm In case a trip occurs after an alarm the trip message...

Page 44: ...ange DISABLE ENABLE Max Start Time Output A Disabl When Enabled causes output A relay to energize upon Max Start Time fault Range DISABLE ENABLE Max Start Time Output B Disabl When Enabled causes outp...

Page 45: ...perature At this point the motor must be tripped The following parameters are used to calculate the Thermal Capacity Curve Multiplier This is a multiplier of the basic standard curve It enables to shi...

Page 46: ...ature of approximately 40 C If the ambient temperature is higher or if forced and natural cooling of the motor is malfunctioning the winding temperature can be significantly increased The RTD Bias is...

Page 47: ...e Factor is the ratio between motor heating thermal time constant when Speed Switch is closed indicating slow speed to the time constant in normal starting process The Speed Switch setting is one of t...

Page 48: ...3 2 60 91 1 5 10 21 0 7 60 9 2 10 10 5 2 2 70 83 4 5 20 20 1 7 70 9 0 10 20 5 1 2 80 76 7 5 30 19 4 7 80 8 8 10 30 5 0 2 90 70 8 5 40 18 6 7 90 8 5 10 40 4 9 3 00 65 6 5 50 17 9 8 00 8 3 10 50 4 8 3 1...

Page 49: ...an the rated Motor FLC then the Unbalance value is decreased by the factor Iavg FLC where Iavg is the RMS average of the three phase currents Unbalance IN IP Iavg FLC This method prevents nuisance ala...

Page 50: ...second Auto reset when Enabled occurs when average line voltage decreases below O V Level 1 value or when the motor trips Over Voltage Level 2 This is active only after the start signal Fault occurs...

Page 51: ...Most of the MPS3000 self test programs are running continuously much slower then the main program in the background Control Circuit Open and Welded Contactor Control Cir Open Welded Contactor The MPS3...

Page 52: ...d Fault occurs when resistance is above the set value If NTC is selected fault occurs when resistance is below the set value 2 If the RTD connector is suddenly disconnected the MPS reads If Level 1 is...

Page 53: ...t Tripping Alarm Default Settings In this table stands for Enabled for Disabled No Fault Trip Alarm Auto Reset Panel Rst PLC Reset Output A Output B Active During ANSI Code 1 Max Start Time Start 48 2...

Page 54: ...nalog Input 4 Always Added options available in the MPS3000 which correspond to ANSI codes Speed Switch Input No Rotation detector 14 Lock Out on thermal Trip 86 RTD Bias for Thermal Overload Unbalanc...

Page 55: ...R Total motor reactive power Range 0 30 MVAR Power Factor 0 89 Total Average of three phases motor power factor Range 0 0 1 00 T1 T2 T3 110 111 109 C RTD 1 3 Temperature Range 0 C 200 C T4 T5 T6 110 1...

Page 56: ...above Overload Pickup Range No Trip Expected 18 Hours Expected time to start displayed in one of the following cases After Thermal Trip This is the expected time of the Thermal Capacity to decay to 5...

Page 57: ...open Contact closed Discrete Input B Contact Open Programmable digital input Range Contact open Contact closed Discrete Input C Contact Open Programmable digital input Range Contact open Contact close...

Page 58: ...s Range Open Stop Closed Start Run PLC Reset Contact Open PLC reset input contact status Range Contact Open Contact Closed Speed Switch Open High Speed Speed switch input contact status Range Open Hig...

Page 59: ...ng or running Reset is possible when message is displayed by pressing Reset Key Maximum Voltage 395 volt Latched since last reset maximum value of RMS Line voltage average of three phases Measured whi...

Page 60: ...f Ground Fault current before last trip Range 0 24000 amp Trip Vp1 Vp2 Vp3 277 277 277 V Values of phase to neutral voltages before last trip Range 0 25000 volt Last 10 Trips Header of next 10 screens...

Page 61: ...on volatile memory Data Saved Ok message will be displayed for about two seconds The parameters are Total run time Total of starts Total of trips Last start period Last start max I Thermal Capacity La...

Page 62: ...Can be changed before or while simulation is running Useful for testing ground fault protection Default value is automatically set 0 Simul T1 2 3 40 C For RTD High Temperature Fault Simulation Set he...

Page 63: ...essed through the communication All Actual data values All MPS3000 Parameter Settings Read Write All the control commands for the MPS3000 C such as Start A Start B Stop Reset See MPS3000 Communication...

Page 64: ...r consumption 0 1 VA per 1 A at 1 A input Input impedance 100 m 0 5 VA per 5 A at 5 A input Input impedance 20 m Line Voltage Inputs three voltages with or without neutral Method True RMS sample 0 5 m...

Page 65: ...0 1 0 2 Sec for less than 1 Sec delay Relays Contacts Rated load 8A 250 VAC 1800VA Maximum voltage 250VAC Dielectric Strength 1500 VAC for 1 minute Between Ground terminal 63 and Current inputs Auxili...

Page 66: ...TECHNICAL SPECIFICATIONS Page 66 of 67 CASE AND CUTOUT DETAILS...

Page 67: ...TECHNICAL SPECIFICATIONS Page 67 of 67 Acronyms Description V T a Voltage Transformer C T Current Transformer DOL Direct online...

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