MICROENER MM30-D Operation Manual Download Page 35

 

 

MM30-D

 

Doc. N° MO-0037-ING 

Rev. 

Date    

24.02.2003

 

 

Copyright 2010 - Microener

 

Pag 

35 

 

of 

36

 

 

 

24. SETTING’S FORM 

 

Relay Type 

 MM30-D 

Station : 

 

Circuit :   

Date : 

 

 

 

FW Version:  

Relay Serial Number : 

 

Power Supply 

 

24V(-20%) / 110V(+15%) a.c.        

 

24V(-20%) / 125V(+20%) d.c.

 

Rated Current In : 

 1A 

 5A 

 

80V(-20%) / 220V(+15%) a.c. 

 

90V(-20%) / 250V(+20%) d.c.

 

Rated Current On : 

 1A 

 5A 

 

 

 

Rated Voltage : 

 

RELAY PROGRAMMING 

Variable 

Description 

Setting 

Range 

Default 
Setting 

Actual 

Setting 

Test Result 

Pick-up  Reset 

xxXXXxx

  Current date 

Random 

DDMMMYY 

 

 

 

xx:xx:xx 

Current time 

Random 

HH:MM:SS 

 

 

 

NodAd

   

Identification number for serial communication bus 

1 - 250 

 

 

 

Fn

  

Mains frequency 

50 

Hz 

50 - 60  

 

 

 

In 

 

Rated primary current of the phase C.Ts. 

500 

Ap 

1 - 9999 

 

 

 

On

  

Rated primary current of the C.Ts 

500 

Ap 

1 - 9999 

 

 

 

Im

  

Motor full-load current  

1.0 

In 

0.1 

– 1.5 

 

 

 

Ist

   

Motor start-up current 

Im 

0.5 

– 10 

 

 

 

tst

     

Motor starting time 

– 120 

 

 

 

ITr

 

Switch-over current of motor starter 

0.5 

Ist 

Dis

–0.1–1 

 

 

 

tTr

    

Max switch-over time from reduced to full voltage 
operation during motor starting. 

0.5 

– 50 

 

 

 

AUTOSET? + ENTER 

Automatic setting of all the following parameters computed on the base of the setting of the 

previous parameters

 

tm

  

Thermal time constant of motor while running ; 

tm 

is computed to allow at least one  restarting with 

the motor at its rated full load temperature 

34 

min 

1 - 60 

 

 

 

to/tm

   

Steady/running motor thermal time constant 

1 - 10 

 

 

 

Ta/n

  

Prealarm motor heating level  

90 

50 - 110 

 

 

 

Ts/n

 

Motor restart  heating level 

100 

40 - 100 

 

 

 

Ib 

Rated maximum continuous motor overload 

1.05 

Im 

– 1.3 

 

 

 

StNo   

 

Max. No of startings allowed within the time tStNo 

Dis-1-60 

 

 

 

tStNo

 

Time into which the StNo is counted 

60

 

1 - 60 

 

 

 

tBSt

  

Restart inhibition time after tripping of the function 
StNo 

12

 

1-60-Rm 

 

 

 

ILR  

 

Trip level of Locked Rotor function 

Im 

Dis-1-5 

 

 

 

tLR      

Trip time delay of LR element during run 

– 25 

 

 

 

Is> 

 

Trip level of inverse time current unbalance 
protection element 

0.3 

Im 

Dis-0.1-0.8 

 

 

 

tIs>

     

Trip time delay of  inverse time current unbalance 
protection when I2=Im 

– 8 

 

 

 

I<

 

 

 

Trip level of undercurrent (no-load running) element 

0.2 

Im 

Dis-0.15-1 

 

 

 

I>    

 

Trip level of phase overcurrent element 

Ist 

Dis - 1 - 5 

 

 

 

tI>  

 

Trip time delay of phase overcurrent element 

0.1 

0.05 - 1 

 

 

 

Uo>   

 

Minimum level of residual voltage for directional 
operation of the Earth Fault element. 

20 

2 - 25 

 

 

 

o   

 

Max sensitivity displacement angle of the Earth Fault 
directional element.  

90 

°

 

0

–359-Dis 

 

 

 

O>

 

 

 

Trip level of earth fault element 

0.1 

On 

Dis-0.02-2 

 

 

 

tO>

   

Trip time delay of  earth fault element 

0.2 

0.05 

– 5 

 

 

 

tBO

  

Maximum energization time of the output relays 
associated to the instantaneous functions I> and/or 
O> 

0.15 

0.05 - 0.5 

 

 

 

RTD

 

 

Enabling of the input 1 

– 14 for operation of RTD 

function 

OFF 

OFF 

– ON 

 

 

 

SpC

  

Enabling of input 1 

– 3 for operation of the Speed 

Control function 

OFF 

OFF 

– ON 

 

 

 

Tsyn  

Clock synchronisation Time 
Expected time interval between sync. signal. 

Dis 

5-60-Dis 

 

 

 

 

Summary of Contents for MM30-D

Page 1: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 1 of 36 MICROPROCESSOR MOTOR PROTECTION RELAY WITH DIRECTIONAL EARTH FAULT ELEMENT TYPE MM30 D OPERATION MANUAL...

Page 2: ...resolution__________________________________________________________________________ 13 2 4 4 Operation during power off_________________________________________________________________ 13 2 4 5 Time...

Page 3: ...must be compatible with their declared performance 1 6 PROTECTION EARTHING When earthing is required carefully check its effectiveness 1 7 SETTING AND CALIBRATION Carefully check the proper setting of...

Page 4: ...alibrations and components should not be altered or replaced For repair please ask the Manufacturer or its authorised Dealers Misapplication of the above warnings and instruction relieves the Manufact...

Page 5: ...ary of the input Current Transformers and refers all its measurements to that value To make the relay properly working with any C T when programming the relay settings we have to input the value of th...

Page 6: ...are correctly measured in any case two directly 2 2 2 3 Earth Fault Current and Voltage Inputs The real time measurement of the r m s Earth Fault Current is displayed as percent of the rated current...

Page 7: ...omputed current Ip preheating current Ib continuously admissible current 1 1 3 Im step 0 01Im Im motor rated current 0 1 1 5 In step 0 1In Steady motor cooling down time constant to 1 10 tm step 1tm T...

Page 8: ...nbalance also controls another inverse time element Minimum Negative Sequence current operation level Is 0 1 0 8 Im step 0 1lm lf ls DIS the function is disactivated Time current curve tIs 1 8 s step...

Page 9: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 9 of 36...

Page 10: ...energized for the time tI tBO After this delay the relay it is anyhow reset tBO 0 05 0 5 s step 0 05s 2 2 3 7 F64 Earth Fault protection Minimum Pick up Zero Sequence Residual Current level O 0 02 2 O...

Page 11: ...the inhibition is permanent until the RESET key is operated 2 2 3 9 Starting Sequence Control During start up of the motor the unit can control an output relay used to operate the switch over of two...

Page 12: ...tep 1A Motor rated current lm 0 1 1 5 In step 0 01In Motor starting current lst 0 5 9 9 Im step0 1 Im Starting time tst 1 120 s step 1s Transition current level ITr 0 11 Ist step 0 1 Ist Transition ti...

Page 13: ...Io cos o o Fig 1 Fig 2 The relay measurement is 3Io x cos o o Io The relay trips when Io O fig 2 i e when the component of the input current in the measuring direction of the relay exceeds the set tri...

Page 14: ...displayed with one of the groups of digits YY MMM or DD blinking The DOWN key operates as a cursor It moves through the groups of digits in the sequence YY MMM DD YY The UP key allows the user to mod...

Page 15: ...ter scanning by the key SELECT Parameter modification by the key Set validation by the key ENTER Scanning of the menus by the key MODE SELECT ENTER Enabled only if input current is zero ENTER RESET MO...

Page 16: ...LED O Flashing when earth fault current exceeds the set level O Illuminated on trip after tO time delay h Yellow LED ROTOR STALL Illuminated on trip of the Locked Rotor element I ILR and or on activat...

Page 17: ...orts see diagram herebelow The module REX 8 includes eight RA RB RC RD RE RF RH RG user programmable plus one R Diag diagnostic output relays The master module MM30 DX can control altogether up to six...

Page 18: ...ption can be connected via a cable bus or with proper adapters a fiber optic bus for interfacing with a Personal Computer type IBM or compatible All the operations which can be performed locally for e...

Page 19: ...robe This function is enabled by programming the variable RTD ON see 12 1 If the function is enabled the input RTD is activated when the resistance connected to the terminals 1 14 exceeds the limits 5...

Page 20: ...in the memory SET DISP Reading of the settings and of the configuration of the output relays as programmed PROG Access to the programming of the settings and of relay configuration TEST PROG Access t...

Page 21: ...e degree 0 999 Uo xxxxxV RMS Voltage displayed as primary volts 0 65000 o xxx Phase displacement h xxxxx Operation hours 0 65000 If no keys is operated in 60 sec the display comes back to the default...

Page 22: ...rrent Is mxxx Negative sequence component of current T Tnxxx Motor heating UoxxxxxV Zero sequence secondary voltage oxxxxx Io Uo phase displacement angle in degrees 10 4 TRIP NUM Counters of the numbe...

Page 23: ...he key SELECT now scrolls the available parameters By the key the displayed values can be modified to speed up parameter s variation press the key SELECT while or are pressed Press key ENTER RESET to...

Page 24: ...during run 1 25 1 s Is 0 3Im Trip level of inverse time current unbalance protection element Dis 0 1 0 8 0 1 Im tIs 4s Trip time delay of inverse time current unbalance protection when I2 Im 1 8 1 s...

Page 25: ...1 R2 R3 R4 RA RB RL StNo 1 Start No limitation tripping operates relay R1 R2 R3 R4 RA RB RL ILR 1 Locked Rotor tripping operates relay R1 R2 R3 R4 RA RB RL tI2 1 Time delayed unbalance tripping operat...

Page 26: ...est It is generally recommended that this test be run only in a bench test environment or after all dangerous output connections are removed 14 MAINTENANCE No maintenance is required Periodically a fu...

Page 27: ...1MHz Electrical fast transient burst IEC61000 4 4 level 3 2kV 5kHz HF disturbance test with damped oscillatory wave 1MHz burst test IEC60255 22 1 class 3 400pps 2 5kV m c 1kV d m Oscillatory waves Ri...

Page 28: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 28 of 36 16 CONNECTION DIAGRAM SCE1423 Rev 2 Standard Output 16 1 CONNECTION DIAGRAM SCE1499 Rev 0 Double Output...

Page 29: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 29 of 36 17 WIRING THE SERIAL COMMUNICATION BUS SCE1309 Rev 0 18 CHANGE PHASE CURRENT RATED INPUT 1 OR 5A...

Page 30: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 30 of 36 19 THERMAL IMAGE CURVES TU0249 Rev 1...

Page 31: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 31 of 36 20 INVERSE TIME UNBALANCE PROTECTION ELEMENT TU0248 Rev 1...

Page 32: ...osition of the screws driver mark Draw out the PCB by pulling on the handle 21 2 Plug in Rotate clockwise the screws and in the horizontal position of the screws driver mark Slide in the card on the r...

Page 33: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 33 of 36 22 OVERALL DIMENSIONS MOUNTING...

Page 34: ...MM30 D Doc N MO 0037 ING Rev 4 Date 24 02 2003 Copyright 2010 Microener Pag 34 of 36 23 KEYBOARD OPERATIONAL DIAGRAM...

Page 35: ...hermal time constant 3 1 10 Ta n Prealarm motor heating level 90 50 110 Ts n Motor restart heating level 100 40 100 Ib Rated maximum continuous motor overload 1 05 Im 1 1 3 StNo Max No of startings al...

Page 36: ...Ta ITr Starting switch over tripping ITr StNo 1 Start No limitation tripping StNo ILR 1 Locked Rotor tripping ILR tI2 1 Time delayed unbalance tripping tI2 I No load running tripping I I Instantaneou...

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