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4 Setting Up the MJ-5 Control Panel

Siemens Industry, Inc.

17

4.2 Setup for Retrofit Panels

If you are retrofitting either a G. E. or Cooper regulator for
use with the Siemens MJ-5 Control Panel, please refer to
the Appendix. Contact your Siemens representative for
details.

4.3 Defining Your Regulator

—

The <CONFIGURE> and <ADV
CONFIGURE> Menus

When the MJ-5 Control Panel is delivered pre-installed on
a regulator, many of the configuration variables are already
set. However, the MJ-5 Control Panel provides a wide
range of additional variables that can be used to make the
regulator perform more effectively in your system.

Variables in the <

CONFIGURE

> menu are summarized in

Table 4.1; variables in the <

ADV CONFIGURE

> menu

are summarized in Table 4.2; both menus are explained in
the following pages.

Figures 4.1 to 4.4 show typical Siemens regulator name-
plates. Refer to these figures for information that can be
obtained from Siemens regulator nameplates

Figure 4.1

Typical Siemens Regulator Nameplate for older ANSI Type B (Inverted) Regulator

Note: Items are not highlighted on actual nameplate

«
...
19
20
21
22
23
...
»

Содержание MJ-5

Страница 1: ...MJ 5 Control Panel Manual Version 3 Siemens Industry Inc MJ 5 TM Voltage Regulator Control Panel Installation and Operations Manual ...

Страница 2: ... in accordance with established safety procedures c He or she is trained in rendering first aid NOTE These instructions do not purport to cover all details or variations in equipment not to provide for every possible contingency to be met in connection with installation operation or maintenance Should further information be desired or should particular problems arise which are not covered sufficie...

Страница 3: ...URE Menus 17 4 4 Setting Control Levels the REGULATOR Menu 25 4 5 Activating Data Logging the LOG SETUP Menus 28 4 6 Password Security Protection the PASSWORD Menu 29 4 7 Communications Definition the COMMUNICATIONS Menus 33 4 8 Regulator Maintenance the MAINTENANCE Menu 35 4 9 Hardware Configuration the DIAGNOSTICS Menu 35 4 10 Setting up the Quick Key 36 5 Reading and Interpreting MJ 5 Control P...

Страница 4: ...cations Module Installation 68 G Menu Structure Quick Reference 69 H MJ 5 Firmware Versions 71 I Terminal Strip Wiring 72 J Terminal Strip Connections 73 K MJ 5 Operating Procedures 76 L Retrofitting Control Panel onto CL 6 Cooper Voltage Regulator 78 M Retrofitting Control Panel onto CL 5 or earlier Cooper Voltage Regulator 80 N Retrofitting Control Panel onto GE Regulator With SM3 Control Panel ...

Страница 5: ... considerations setup procedures day to day operations and finally troubleshooting The Appendices provide further information about MJ 5 Control Panel operation and setup 1 2 Features of the MJ 5 Control Panel This section briefly describes the standard MJ 5 Control Panel features and functions Display Panel and Operator Controls Operator input to the MJ 5 Control Panel is accomplished through a s...

Страница 6: ... is available for mounting the MJ 5 Control Panel on GE regulators The kit includes all of the necessary hardware and a set of complete instructions for mounting and connecting the MJ 5 to the regulator The retrofit is accomplished without the necessity of replacing the waterproof housing See the Retrofitting GE Regulators instruction manuals in Appendixes O and P Contact your Siemens representati...

Страница 7: ...h Key Regulator Fast Path Keys Line Drop Compensation Fast Path Keys Drag Hands Reset Raise Lower Switch U2 P2 Key Voltage Calibration Binding Posts Power Fuse External Power Fuse Remote Auto Manual Switch External Power Binding Posts Power Switch Neutralite Test Key Neutralite Indicator VRC Select Fast Path Key VRC Active Indicator VLC Fast Path Key Data Ports Four Line Sixteen Character Display ...

Страница 8: ...ur line sixteen character alphanumeric display screen This display screen presents both alphabetic and numeric characters in plain text eliminating the need for special codes The display screen uses an LCD with backlight that is easy to read in direct sunlight as well as in low light conditions 2 3 Data Display Front panel touch keys provide easy access to all data stored in MJ 5 Control Panel mem...

Страница 9: ...to see the minimum load voltage since the last reset use the Menu Selection keys to select Vld from the Meter Menu The current voltage value is displayed on the screen Press the Max Min key The minimum and maximum values will display for a short time To clear max min values see Cancel Reset Key description To display max min Time Date stamp see the Change Save key Special Use description 2 3 2 Fas...

Страница 10: ...ed with the Min Max Key Other Fast Path Keys Alert Key Press this key to view the contents of the ALERTS menu If any Alert messages are active press this key repeatedly to step through them in order of priority If no alerts are active the message No Active Alerts will be displayed Section 5 8 contains additional information on how to determine the meaning of the various Alerts and how to acknowled...

Страница 11: ...ly If flashing it indicates that one or more alert conditions are active and have not yet been acknowledged If the Alert Indicator glows steadily it means that a previously acknowledged alert condition continues to exist To acknowledge an Alert view the Alert screen with the Alert button and then press the Cancel Reset button Reverse Power Flow LED The Reverse Power Flow RPF indicator is illuminat...

Страница 12: ...er than the VLC upper limit or lower than the VLC Lower limit Figure 2 2 Band Indicators and VLC Indicators Raise Lower LED Indicator As a default the Raise Lower indicator is continuously illuminated when the tap changer motor is raising or lowering the tap position However the Raise Lower indicator can be configured to flash when the tap changer motor is lowering the tap position This is accompl...

Страница 13: ...utton This push button determines whether the MJ 5 Control Panel is under local control or remote control Note that the ultimate determination of the point of control is established manually this switch setting cannot be overridden from a remote location Remote Disabled In this mode a remote operator can obtain MJ 5 Control Panel data However the remote operator cannot make configuration changes o...

Страница 14: ...rnal inhibit function The terminal strips include the Current Circuit terminal pair Each terminal strip contact is screw type to facilitate connection and disconnection of external wiring Current Circuit Terminal Contacts The nominal 200 mA secondary of the regulator current transformer CT is routed through these terminals labeled C and C2 This terminal pair is provided with a removable shorting b...

Страница 15: ...lusive using the 2200 communications protocol enhanced with MJ 5 data fields The SD Card Port supports Low Capacity 4GB and High Capacity 4GB SD card which can store the configuration and use it to configure the entire system at one time The SD Card is also used for saving the Logs and is conducted either manually or periodically at certain intervals The device used for communications must be conf...

Страница 16: ...fine logging requirements To define logging requirements view the LOG SETUP menu then display the particular data item from that menu As another example the METER menu contains meter reading data To determine the present load voltage meter reading view the METER menu and then the Load Voltage data item from that menu The METER menu is considered the home position in the MJ 5 Control Panel s menu s...

Страница 17: ...layed value flashes to indicate that a Change will be accepted and to indicate the data that is to be changed Press the and keys to sequence through the acceptable values When the desired value is displayed press the Change Save key to complete the change The procedure for changing configuration parameters is slightly different from the procedure for changing alphanumeric ones Examples of each typ...

Страница 18: ...in this section of the manual in this case under the 0 denotes flashing 5 Press the key five times to increment the digit from 0 to 5 6 Press the key to step left one digit 123 5 now appears The digit 3 is flashing to indicate that it can be changed 7 Press the key to decrement the digit from 3 to 2 8 Press the Change Save key to make the change take effect The data item list appears and FwdVolts ...

Страница 19: ...steps Configuration In this step use the CONFIGURE menu to describe the regulator and the power distribution system Use the ADV CONFIGURE menu to adjust optional or advanced settings if desired Set Points In this step use the REGULATOR menu to define Automatic Mode set points voltage level bandwidth time delay etc Logging Requirements In this step use the LOG SETUP menu to define data logging requ...

Страница 20: ...ond 1 to 59 10 1 Second QuickDispTim Quick menu slideshow time second 1 to 10 2 1 Second AutoVari Amp Automatic Vari Amp Protection ON or OFF OFF SoftVari Amp Sofware Vari Amp setting ON or OFF OFF R Limit Raise Limit Alert Soft Vari Amp 10 8 7 6 5 10 1 L Limit Lower Limit Alert Soft Vari Amp 10 8 7 6 5 10 1 Slave Master Put two tap changer in locked step Ref Comm Manual Section 8 OFF MA Sl S2 OFF...

Страница 21: ...s are already set However the MJ 5 Control Panel provides a wide range of additional variables that can be used to make the regulator perform more effectively in your system Variables in the CONFIGURE menu are summarized in Table 4 1 variables in the ADV CONFIGURE menu are summarized in Table 4 2 both menus are explained in the following pages Figures 4 1 to 4 4 show typical Siemens regulator name...

Страница 22: ...Siemens Industry Inc 18 Figure 4 2 Typical Siemens Regulator Nameplate for ANSI A Straight regulator without a Load Side PT ...

Страница 23: ...gure 4 3 Typical Siemens Regulator Nameplate for ANSI Type A Straight regulator Note Items are not highlighted on actual nameplate Figure 4 4 Typical Siemens Regulator Nameplate for ANSI Type B Inverted Regulator Note Items are not highlighted on actual nameplate ...

Страница 24: ... The Utility Pol data item allows you to correct for polarity differences between the CT winding and the Utility Tertiary winding To define the Utility Polarity view Utility Pol then 1 If you have a single phase Inverted type regulator specify Utility Pol Norm 2 If you have a single phase Straight type regulator see Appendix D section D 3 4 3 6 Vprimary Max The Vprimary Max setting defines the max...

Страница 25: ...Ratio screen though this is not always the case Locate the regulator s Full Load Current specification on the upper right side of the nameplate just below the Class specification The regulator nameplate shows the Full Load Current as XXX Amps Enter the value for the Full Load Current setting into the MJ 5 See Figures 4 1 to 4 4 for examples 4 3 11 Power Flow Modes The Power Flow Mode data item all...

Страница 26: ...n until all ten characters of the Memo have been entered When you have completed entering the Memo press the Change Save key to complete the change Valid characters are A Z 0 9 space comma semi colon period dash slash ampersand and the character Default is for Memo 1 to contain the regulators serial number and for Memo 2 to contain the initials of the control panel tester The ADV CONFIGURE Menu 4 ...

Страница 27: ...l Method The Thermal method is typical of the characteristic time lag of mechanical or thermal devices as they absorb electrical energy It is based on the Code for Electricity Meters ANSI C12 1975 which defines the interval of a thermal demand meter as the time required for the meter to indicate 90 of a change in the load Demand values are updated once each second For example if you specify DmdTim...

Страница 28: ... according to the neutral signal Turning this data item ON will require the neutral signal status to precisely match the electronically tracked tap position and the timing of the operations counter or the maintained tap position will be purposely discarded 4 3 34 CommAutoInh Communications Auto Inhibit The Comm Auto Inhibit data item provides a way to change the state of the Auto Inhibit status at...

Страница 29: ...ATOR menu defines set points used by the MJ 5 Control Panel when operating in Automatic Mode Table 4 3 The REGULATOR menu Variables in the REGULATOR menu are summarized in Table 4 3 and described in detail in the following sections VRC Stat is a view only item It appears in the REGULATOR menu for viewing convenience ...

Страница 30: ...nt VRC information in the display panel It can be directly accessed with the VRC fast path key or viewed from the REGULATOR menu Time Delay set point The Time Delay set point defines the amount of time the controller will wait before commanding a tap change 4 4 2 Line Drop Compensation The Line Drop Compensation LDC data item defines the assumed voltage drop between the regulator and the load cent...

Страница 31: ...uses only one external contact VRC1 MJ 3A VRC users can achieve compatibility with existing controllers using this mode To use MJ 3A mode view VRC Remote and select MJ 3A Then select MJ 3A VRC and specify the reduction value The single MJ 3A VRC value defines a total reduction value which control program logic subdivides into 33 67 and 100 steps To achieve a reduction equal to 100 of the MJ 3A VRC...

Страница 32: ...on that will help reconstruct past occurrences Two logs are maintained an Event Log and an Interval Log Event Log records are stored when predefined Events occur Interval Log records are stored at predefined time intervals See Table 4 6 default settings are in bold This section describes how to define your logging requirements See Chapter 5 Reading and Interpreting MJ 5 Control Panel Data for guid...

Страница 33: ...ata synchronized to 12 00 00 midnight The Interval logs contain the 1000 most recent intervals To view the Interval logs scroll down the LOG SETUP menu until Interval Log is selected Press the Change Save key to display the interval logs Scroll using the and keys for going up and down the list respectively Pressing the Cancel Reset key backs out to the LOG SETUP menu without clearing the Event log...

Страница 34: ...emporarily disabled Table 4 7 The PASSWORD menu The default configuration for the password security system is with all password protection disabled except for the DIAGNOSTIC menu Control of the security system requires the use of a System Key which protects the changing of passwords and the activation and de activation of the two security Levels To ensure proper control of the MJ 5 security system...

Страница 35: ...nition session you should always use the End Session facility when changes are complete to ensure against unauthorized security system re definition changes Changing Passwords After entering the System Key see above scroll down to view Password and Password Enable Disable items To change a Level 1 password view Level 1 PW in the PASSWORD menu and use the Change Save and Scroll keys to enter the ne...

Страница 36: ...ORD menu and enter the password s you want or when viewing a specific menu item press Cancel Reset or Change Save If password protection is enabled for this menu you are prompted to enter the password If you see the password prompt skip step 1 below 1 Use the Menu and Scroll keys to view the PASSWORD menu Press the key The display screen responds Enter PW xxxx 2 Press the Change Save key The displ...

Страница 37: ...Table 4 9 Data Port Addresses To enable or disable IP address selection Networkmask or Default Gateway view IP config under COMMUNI CATIONS menu and select one of the options Static or DHCP Static allows selection while DHCP will assign a random address and will not allow the user to select them To set the IP address make sure IP config is set to Static and view IP under COMMUNICATIONS menu Enter ...

Страница 38: ...art of transmit output data NNN range 0 250 DnpDlConfirm DNP Data Link Confirm Y or N SW repeat Enable Fiber loop Y or N HostAddr Host Address for Unsolicited Responses NNN range 0 65535 CMUnsolicited Unsolicited Responses Y or N AutoInhEnable Auto Inhibit Enables Y Remote Raise Lower If disabled N activates automatic operation Y or N DNP set Select a predefined or custom DNP point set DNPcfg 2x3 ...

Страница 39: ...OP_DUR screen This screen indicates the last measured op counter pulse duration in seconds which is useful when adjusting the TapInPulse time for TapIn Pulse under Diagnostics i e the Tap Chgr is set to Custom or GE The Maintenance menu also has a fast path key on the front panel Press this key to view the status and settings screens of the Maintenance menu repeat the key press to scroll through t...

Страница 40: ...your Siemens representative for more information before adjusting these settings 4 10 Setting up the Quick Key The Quick Key provides access to the customizable Quick List The Quick List can be used to step through a series of up to 15 user set menu items The Quick List allows creation of a custom menu with the minimal amount of effort Any changes to the menu parameters must be done using normal c...

Страница 41: ...e is read at U2 the source voltage is read at P2 Under reverse power flow conditions the load voltage is read at P2 the source voltage is read at U2 For applications which require regulation in reverse power flow users generally select the bi directional power flow mode In bi directional mode with power flowing forward the S bushing voltage is the Source voltage and the L bushing voltage is the Lo...

Страница 42: ...omp is calculated voltage based on Basis Voltage and U2 secondary or P2 secondary V Raw Voltage Basis Voltage Secondary voltage Raw voltage Voltage at Test terminal Basis Voltage refers config setting Secondary U2 sec or P2 Sec Ild Load Current The Ild data item displays the RMS regulator current in amperes Note the Current Transformer is typically located in the Load Bushing lead Therefore under ...

Страница 43: ...ect one of two methods of measuring demand the Sliding Window method and the Thermal Averaging method See DmdType in Section 4 3 23 Table 5 4 Demand Data Items 1 Instantaneous min and max data available 2 For each Forward Demand Data Item there is a corresponding Reverse Demand Data Item For example Rdmd Vld To retrieve Demand data select the appropriate FW DEMAND or REV DEMAND menu Then use the a...

Страница 44: ...l logging is tied to the time of day For 15 and 30 minute interval settings the MJ 5 logs data at even quarter and half hour increments respectively For a one hour setting the MJ 5 logs data on the hour For four and six hour settings the MJ 5 logs data synchronized to 12 00 00 midnight Table 5 6 describes the data that is logged at the conclusion of each interval Table 5 6 Interval Log Data Items ...

Страница 45: ...ON or when an operator inputs a tap position value Subsequently when the microprocessor requests a tap raise lower J K and the regulator makes the tap change asserting Operations Count signal U10 the control program updates the tap position value By this procedure the MJ 5 maintains continuous tap position information If for some reason a tap change command is not confirmed within an appropriate p...

Страница 46: ...ple Alerts have occurred you can step through them one at a time using the Alert key or the and keys The Alert indicator will continue to flash until all Alerts have been acknowledged The conditions listed in Table 5 8 activate ALERT status The conditions are listed in priority sequence from highest priority at the top to lowest priority at the bottom Notes for Table 5 8 1 Alert status is in effec...

Страница 47: ...ge of total signal magnitude FUND Show harmonics as percentage of the fundamental RMS Val Show harmonics as signal magnitude Use the and keys in the HARMONICS menu to view the harmonics data The harmonics data items appear after configuration items Show Harm and Show As The harmonics data items always include the RMS and Total values for the fundamental i e the 1st harmonic Data for even harmonics...

Страница 48: ...e Remote Disabled LED is off putting the control Panel into the Auto Remote mode In this mode the MJ 5 executes its automatic tap control algorithms unless overridden remotely Status information is available via the remote communications link A remote operator can request a tap raise or lower via the communications link change settings and remotely operate the control program For direct control vi...

Страница 49: ...utput voltage 2 Voltage level set point 3 Bandwidth set point 4 Resistance line drop compensation set point 5 Reactance line drop compensation set point 6 Voltage limit control set points 7 Voltage reduction control set points 8 Monitored load current 9 Load power factor 10 Power flow operating mode 11 Power flow direction Because coinciding events might introduce conflicts an operational hierarch...

Страница 50: ...tap position is incremented decremented until the voltage is within the defined VLC range Limiting and or runback may occur if one of the following happens 1 The source voltage changes dramatically 2 The load on the regulator changes significantly or 3 The VLC function is enabled when the limit conditions are exceeded Note The VLC function uses the Vld i e the load voltage at the regulator to dete...

Страница 51: ...the CONFIGURE menu System Utility Polarity and I current Shift parameters 6 5 2 Forward Reverse Operation The MJ 5 Control Panel accommodates power flow reversals by alternating between Forward and Reverse modes Because the microprocessor monitors or derives the voltage on both sides of the regulator it can reverse modes by simply reversing its definition of source and load In Forward Operation mo...

Страница 52: ... six Power Flow Modes Forward Locked Reverse Locked Bidirectional Neutral Reverse Table 6 3 Tap Changer Direction Table 6 4 Tap Change Control Operation Idle Reverse and Co generation Your selection of one of these determines which algorithm the control program uses under reverse power flow conditions ...

Страница 53: ...wer flow does reverse Demand values are not computed View Pwr Flow F LOCK on the CONFIGURE menu Figure 6 2 Forward Locked Mode R LOCK Reverse Locked Mode This mode of operation is intended for use on systems where forward power flow is not anticipated Tap changes are inhibited under forward power flow conditions In this mode the controller always operates in reverse mode The tap changer operates u...

Страница 54: ... 1 when I Dir Bias is not in use i e I Dir Bias None See Section 6 5 1 for more details When I Dir Bias is in use I Threshold should be set to 0 View Pwr Flow Bi dir on the CONFIGURE menu Figure 6 4 Bi directional Mode IDLE R Idle Reverse This mode of operation is intended for use on systems where reverse power flow is an abnormal situation Under reverse power flow conditions the regulator idles a...

Страница 55: ...er operation resumes Neutral Reverse mode is dependent upon the MJ 5 tap tracking algorithm If the tap position is unknown to the microprocessor the tap changer idles at the last held position View Pwr Flow NEUT R on the CONFIGURE menu Figure 6 6 Neutral Reverse Mode CO GEN Co generation This mode of operation is for use on systems where power flows from Utility to consumer at certain times and fr...

Страница 56: ...ata can then be saved in a CSV comma separated variable format The file may then be imported to other commonly used software including spreadsheet applications In addition to downloading MJXplorer software can modify configuration information and upload the information to the MJ 5 Control Panel The MJXplorer software and operating instructions are available from Siemens Contact your Siemens Power ...

Страница 57: ...rocedures whose major objectives are to 1 Ensure that the fault is inside the MJ 5 and not in external connections or connected equipment 2 Ensure that the fault is not due to improper jumper arrangements or some other user correctable condition 3 Determine whether the fault can be locally repaired e g by replacing a fuse Troubleshooting approaches depend upon the problem Among other indicators yo...

Страница 58: ...of 115 to 135 VAC from P2 to E Monitor the Voltage Calibration Test Terminals with a true RMS voltmeter View the P2 Cal screen on the MJ 5 i e go to DIAG NOSTICS menu and press down arrow twice to show P2 Cal Verify that the P2 Cal reading matches the applied voltage within 0 5 VAC If calibration is off recalibrate see below 8 4 3 Checking the Load Current Calibration Note To check the current cal...

Страница 59: ... C2 Calibrate the set point with an external true RMS ammeter connected at the rear panel terminal strip contacts TB1B 9 10 Connect a nominal 0 200 mA AC current source at C C2 terminal strip contacts TB1A 3 5 Apply the C C2 calibration current per Table 8 2 Use the Menu and Scroll keys to view the C C2 screen To calibrate press the Change Save key then the or key to make the value shown at the MJ...

Страница 60: ... Transformer or Current Transformer errors Electrical transient immunity The MJ 5 Current Transformer CT withstands a sudden open circuit without damage to the control circuit However an open CT circuit can result in dangerously high voltage and should be avoided The MJ 5 Control Panel is impervious to electrical transients as defined by the following Surge ANSI IEEE C37 90 1 2002 All PDS and term...

Страница 61: ... as Auxiliary Transformer Auxiliary CT Reverse Power Flow Detector Voltage Limit Control or other accessories mounted in the enclosure special engineering instructions will be required before the existing control is replaced Note 1 Some older controllers do not provide the necessary signals to support all MJ 5 functions i e tap position indication operations counter Neutralite drag hands reset Not...

Страница 62: ... control and operation of the tap changer Field maintenance is not recommended as special equipment and instrumentation are required for the proper calibration testing and checking of the controller operation It is strongly recommended that MJ 5 controller repair testing and calibration be performed only by Siemens authorized repair facilities Hazardous voltage will be present on various control l...

Страница 63: ...Appendix C Regulator Control Diagrams Siemens Industry Inc 59 C Regulator Control Diagrams Typical Control Diagrams For Sample Reference Only Figure C 1 ANSI Type A Straight Regulator Control Diagram ...

Страница 64: ...Appendix C Regulator Control Diagrams Siemens Industry Inc 60 Figure C 2 ANSI Type B Inverted Regulator Control Diagram ...

Страница 65: ...e other regulator is the leading regulator Note The amount of tapchange excursion can be made more or less if desired by appropriate adjustment of the reactance volts setting 7 Use the Configuration keys to set the System type to Delta Lead for the leading regulator and to Delta Lag for the lagging regulator as determined in step 6 D 2 REGULATOR menu Line Drop Compensation There are several method...

Страница 66: ... conductors are approximately correct The Siemens Line Drop Calculator software application simplifies the calculation of these parameters Simply enter the system values and the application automatically calculates the resistive and reactive components for you Enter these values in the REGULATOR menu and the MJ 5 automatically compensates for the line drop when adjusting the output voltage of the ...

Страница 67: ...the correct specification NORM or REV from examination of the Regulator nameplate D 3 1 Single Phase Regulators D 3 1 1 Single Phase Inverted Design Regulators ANSI type B The Utility transformer polarity is always normal for Single Phase Inverted Design Regulators Specify Utility Pol NORM D 3 1 2 Single Phase Straight Design Regulators ANSI type A without forced air cooling The Utility transforme...

Страница 68: ...forced air fan s The E2 tap is located between the Un Ux terminals on the regulator s nameplate schematic The U5 tap is normally used for fan voltage and can be either to the left or to the right of E2 To determine whether the polarity is normal or reverse you must examine both the schematic diagram and the connection table on the nameplate From the connection table determine the tap to which U2 s...

Страница 69: ...regulators may have either one or multiple utility windings D 3 2 1 Single Utility Winding A single utility winding provides power for the control the motor and the cooling fan This utility winding may have the polarity mark at the Un Ux terminals or at the U5 terminal as shown in the examples of Figure D 5 Figure D 5 Three Phase Regulator with a Single Utility Winding To determine whether the pol...

Страница 70: ...e the A phase utility winding for control and motor power and the B and C phase windings for fan s power For this case use the Single phase procedure defined above for the A phase winding Figure D 6 U2 Connects to a U Terminal U7 or U8 which is to the Left of E2 Figure D 7 U2 Connects to a U Terminal U7 or U8 which is to the Right of E2 ...

Страница 71: ...el can be used to verify proper operation of the Neutralite The Position Indicator and the Neutralite should all indicate neutral before you attempt to bypass the regulator Methods other than the ones described above are also used however the ones described above are the most common and are recommended The regulator must be placed in neutral before bypassing If there is any doubt as to the locatio...

Страница 72: ...odule Installation Siemens Industry Inc 68 F Communications Module Installation The MJ 5 Communications Module is mounted directly to the Main Processor board Refer to the MJ 5Communications Module Installation Manual Figure F 1 ...

Страница 73: ... FW KW MIN MAX REV KW MIN MAX MTD REV BW U2 PT Date Tap track error KVAR MIN MAX FW KVAR MIN MAX REV KVAR MIN MAX LastMnt REV Delay P2 PT Format Neutral signal error Freq MIN MAX FW KVA MIN MAX REV KVA MIN MAX YTDOps REV Comp R CTRatio Daylight Savings Tap Position KWHR F Lastyr REV Comp X IFullLd Dmd Type Low PT Thresh KVARHR F Tapcont VRC Stat VRC Select PwrFlw Dmd Time Overcurrent KVARHR F Tap ...

Страница 74: ... Time Con_2 Tap InType Meter Config Event KVAR KW TxEnDelay Con_3 Tap In Pulse Meter PW Alert Event Tap Pos KVAR Vsrc 31st DnpDlConfirm Con_4 PreTapTime Demand Clear Event Log KVA Ild 1st SW repeat Con_5 Post Tap Time Demand PW Clear Intrvl Log Tap HostAddr Con_6 NeutralIn Alert Log Interval Tap Max Ild 31st CMUnsolicited Con_7 Neutral Count Alert PW Res Min Max Tap Min AutoInhEnable Con_8 PhaDeg ...

Страница 75: ...Appendix H MJ 5 Firmware Versions Siemens Industry Inc 71 H MJ 5 Firmware Versions This version of the MJ 5 Installation and Operation Manual describes the MJ 5 firmware Version 4 46 25 ...

Страница 76: ...Appendix I Terminal Strip Wiring Siemens Industry Inc 72 I Terminal Strip Wiring ...

Страница 77: ...nnections Table J 1 below describes the connections for terminal strip TB1A Table J 1 Connections for Terminal Strip TB1A indicates standard Polarized Disconnect Switch PDS signals For Siemens regulators these ten signals connect to the corresponding pins of the PDS connector block ...

Страница 78: ...4 Table J 2 below describes the connections for terminal strip TB1B See Table 2 5 for complete descriptions of these terminal connections See Figure 2 3 for simplified schematic drawing of remote control connections Table J 2 Connections for Terminal Strip TB1B ...

Страница 79: ...ens Industry Inc 75 Table J 3 below describes the connections for terminal strip TB2A Table J 3 Connections for Terminal Strip TB2A Table J 4 below describes the connections for terminal strip TB2B Table J 4 Connections for Terminal Strip TB2B ...

Страница 80: ...lash 4 Press Left Arrow key to move left on display or Right Arrow key to move right on display 5 Press Up Down Arrow key to increase or decrease time delay on display flashing digit will change 6 Press Change Save key to save the new time delay value View Reset Max Min Values 1 View Meter value or tap position 2 Press Max Min key once 3 Read maximum and minimum values on display 4 To reset maximu...

Страница 81: ...hange Save key to save the new time 8 Press Down Arrow key to display the DATE item 9 Press Change Save key the left hand digit will flash 10 Press Up Down Arrow key to increase or decrease the value 11 Press Right Arrow to step to the next digit to be changed 12 Press Change Save key to save the new date NOTE The date format MM DD or DD MM may be changed using the DtFormat menu item in Adv Config...

Страница 82: ...sition 2 Turn supervisory switch to OFF turn Auto Remote Off Manual switch to OFF wait 10 seconds 3 Turn control panel power Internal Off External Switch to the OFF position 4 Remove all fuses from the Cooper control panel 5 Unscrew the thumbscrews holding the Cooper control panel in place and swing the control panel outward 6 Close push in the current shorting switch C located at the back of the ...

Страница 83: ...ure 9 Connect the MJ to the back panel at TB2 located at the bottom of the back panel 10 Push closed the disconnect switch V1 and V6 if present to energize MJ and check all voltages 11 Pull open the current shorting switch C Warning Do not pull open the current shorting switch C until both ends of the interconnecting cable are secure Failure to do so could open the regulator CT secondary causing a...

Страница 84: ... for detecting the S bushing voltage MJ Name MJ Terminal Cooper Terminal Description HS P2A 1 HS Operation Counter U112 P2A 2 NL Neutral Pos Switch U2 P2A 8 VS Sensing Voltage C2 P2A 5 C3 Current Polarity E P2A 6 G Voltage Ground E1 P2A 7 C1 Current Ground N A VM Motor Voltage J P2A 9 R3 Raise Output K P2A 10 L3 Lower Output U11 P2A 12 DHR Drag Hand Reset Typically VM will be jumpered to VS inside...

Страница 85: ...s shorts out the secondary of the regulator CT Warning Push the C shorting switch closed before attempting to remove the fanning strip Failure to do so will open the regulator CT circuit and may produce a flashover in the control 7 Open pull out the voltage knife blade switch V1 and V6 if present These switches are located at the back of the control panel enclosure 8 Loosen the screws on the inter...

Страница 86: ...to do so could open the regulator CT secondary causing a flashover to the control 12 Swing the MJ control panel closed Tighten the panel locking screw 13 Install fuses and turn power on Configuring the MJ Control Panel 1 For Regulator Type select Inverted 2 For Util Winding Pol select Normal 3 For Cooper regulators without a differential PT enter the control winding E voltage in U2PT and P2PT scre...

Страница 87: ... for detecting the S bushing voltage MJ Name MJ Terminal Cooper Terminal Description HS P2A 1 HS Operation Counter U112 P2A 2 NL Neutral Pos Switch U2 P2A 8 VS Sensing Voltage C2 P2A 5 C3 Current Polarity E P2A 6 G Voltage Ground E1 P2A 7 C1 Current Ground N A VM Motor Voltage J P2A 9 R3 Raise Output K P2A 10 L3 Lower Output U11 P2A 12 DHR Drag Hand Reset Typically VM will be jumpered to VS inside...

Страница 88: ...ps 1 Take the Voltage Regulator out of Service 2 Remove the GE plug from the bottom of the voltage regulator Position Indicator this shorts the CT and opens the PT 3 Remove the GE circuit board Disconnect Assy from the back of the control enclosure Make a note of where the jumper s are at the J1 J2 J3 J4 J5 J6 positions This information will be used to help connecting the proper PT ratio later 4 U...

Страница 89: ...ft over DO NOT crimp more than ONE wire to a lug 6 Reconnect the GE plug to the bottom of the voltage regulator position indicator From now on removing the Siemens PDS plug will short the CT without removing the GE plug 7 Place Voltage Regulator in Service or place appropriate voltage on the Bushings to test the PT ratio 8 Read the voltages on the PDS receptacle inside the cabinet If voltages are ...

Страница 90: ... NN9 to NN21 or 20 or 22 Make sure that no wires remain connected to the bottom of either terminal block No wires will be disturbed on the top of either terminal block 4 Remove GE circuit board from back of cabinet and remove pins from hinges on right side of the GE front panel keep pins for step 11 Remove front panel Cabinet 5 should now be empty except for two 2 terminal blocks and the wires on ...

Страница 91: ...ng the pins removed from the hinges in step 4 above 9 Connect PDS plug on the MJ to PDS receptacle in cabinet and tighten wing nuts GE Terminal MJ Notes Description NN31 U12 switches gnd Neutral Pos Switch P2 NN23 C2 Load Current Pol NN26 E Jumper to cabinet gnd stud Ground NN10 E Ground NN24 E1 Load Current Non Polarity NN9 U2 Jumper to NN20 21 or 22 Load Potential NN27 J switches hot Raise Outpu...

Страница 92: ...ype select GE 3 For Regulator Type select Inverted regardless of regulator s actual type 4 Enter the control winding voltage ratio in P2PT screen and the U2PT screen Note The control winding E voltage transformer voltage CT ratio I Full Load I Load Max and other parameters may be read from the regulator nameplate ...

Страница 93: ... to normal wear and tear or slight differences within manufacturing tolerances of the regulators that the control panel could have trouble tracking tap position In this case some slight adjustments to the tap control timing can be made Mj5 adjust the Tap position automatically and continues to operate In the event that the Tap position does not match the position indicator passing the Neutral posi...

Страница 94: ...Siemens Industry Inc 89 powered off for an extended period of time and both the super capacitor and Lithium battery which back up the tap position value were discharged completely ...

Страница 95: ...on TT occurs if Tap Resync is on and bad neutral signal and tap position combo persists for more than 10 seconds OD occurs if tap_chg_ctr goes down to zero tap_chg_ctr R LOnTime TapChgT O For 3 06 and probably earlier versions UX occurs if op count increments without a raise or lower signal sent RS occurs when neutral signal present and tap pos is not neutral panel resets tap position to neutral T...

Страница 96: ...eutral light switch in the regulator tank then turning this on will result in the control losing its tap position and it will not resync If turned off the control will track tap position correctly regardless of the neutral signal DIAGNOSTICS R LOnTime maximum time to keep the tap changer motor running before pausing for R LOffTime DIAGNOSTICS R LOffTime pause between tap changes for this amount of...

Страница 97: ...exceeds a threshold the Raise or Lower LED will illuminate If it isn t lighting up during a tap change or is turning off before the tap change occurs then the control could have trouble tracking the direction of the tap change If the operations counter takes a long time to increment the operations count switch in the tank might be worn and need replacement For pulse type counters the TapInPulse ma...

Страница 98: ...ap changer have been tested and are defined according to our knowledge of each tap changer type sometimes adjustments to the algorithm are made to improve performance Below are some various settings for different tap changer types that some customers have used to improve performance on troublesome regulators Cooper Spring Drive TapChgr COOP SD DIAGNOSTICS TapInPulse 0 12 all other settings are def...

Страница 99: ...the configurable values to be modified To keep the new algorithm largely transparent the configuration items are listed under the Diagnostics menu Improving Robustness The new algorithm is more robust in that it will allow more flexibility in signal timing and it will pool all the known data to make the best determination of tap action Tap change control The tap change control has been modified to...

Страница 100: ... they are located in the Diagnostic menu They are as follows Parameter Values Description R L On Time 0 0 to 9 9 seconds Specifies how long to turn on the R L J K signals to effect a tap change R L Off Time 0 0 to 9 9 seconds Specifies how long to keep the R L off between tap changes provides duty cycle control Tap Change T O 0 0 to 9 9 seconds Specifies how long to wait for a tap change to be sen...

Страница 101: ...use the new algorithm the user will select the tap changer type from the Configure menu under TapChngr Once a tap type is selected some of the choices on the Diagnostic menu will become locked because those features cannot be changed for that given type of regulator If Custom is selected then all tap configuration items on the Diagnostic menu become unlocked The tap changer choices are Siemens Syn...

Страница 102: ...urrent of J and K Motor relay output V R L On Time R L Off Time TapChgT O TapInPulse PreTapTime PostTapTime COOP SD LTC 5 Synchronization Tap Change Indication Tap Direction Indication Active Diagnostic Menu Items initial tap position set at front panel Op Count U10 pulses E to U to E Monitor current of J and K Motor relay output V R L On Time R L Off Time TapChgT O TapInPulse PreTapTime PostTapTi...

Страница 103: ... Configuration will be wiped from memory and replaced with the default values The default values are as follows Parameter Siemens GE COOP SD COOP DD LTC D Star LTC 5 R L On Time 8 0 8 0 8 0 0 5 5 0 0 5 R L Off Time 0 0 3 0 3 0 3 0 2 0 3 0 Tap Change T O 0 0 3 0 3 0 3 0 3 0 3 0 TapIn Signal U10 U10 HS HS U10 U10 TapInType TOGGLE PULSE PULSE PULSE PULSE PULSE TapInPulse 0 00 0 02 0 02 0 60 1 00 0 6 ...

Страница 104: ...ultipliers 60 Configuration 15 CONFIGURE Menu 17 20 22 61 63 Configure the Control Panel 76 Connections 75 Connections Terminal Strip 72 Control Modes Automatic 43 Manual 43 Off 43 Remote 43 Supervisory Control Disabled 47 Supervisory Control Enabled 46 Cooper Regulators 2 COUNTERS Menu 41 Current Calibration 54 Current Circuit Terminal Block 10 Current Shift 22 Current Threshold 22 Current Transf...

Страница 105: ...ons Module 70 INTERVAL LOG Menu Clearing the Interval Log 42 Displaying Interval Data 42 Interval Logging 29 J Jumpers 76 K kVAR 37 kW 37 L L Limit 24 Leading and Lagging Regulators 60 Line Drop Calculator 61 Line Drop Compensation 26 37 60 Load Volts 37 Local Data Port 33 LOG SETUP Menu 15 28 Logging Requirements 15 Low Current Threshold 22 Lower Key 7 8 LTCs 2 M Main Processor Board Version 37 M...

Страница 106: ...63 Regulator Set points 26 Bandwidth 26 Time Delay 26 Voltage Level 26 Regulator Type 20 Remote Mode MJ 3A 27 MJ X 27 Replacement Battery 76 Replacing existing MJ 5 Control Panels 56 Replacing Older Control Units 56 Resistance Key 6 Retrofitting 17 Reverse Locked Mode 21 Reverse Power Flow 45 Reverse Power Flow LED 7 Reverse Reactive Energy 41 Reverse Real Energy 41 S Save Key 4 Schematic Diagrams...

Страница 107: ...Voltage Level Value 76 View Set Line Drop Compensation Values 76 View Set the Clock Time and Date 77 View Set Time Delay Value 76 Viewing Messages 44 Voltage Calibration 53 Voltage Calibration Binding Posts 10 Voltage Level Key 5 Voltage Level Set point 26 Voltage Limit Control 28 44 Voltage Limit Control Select Key 6 Voltage Reduction Control 26 Voltage Reduction Control Active Indicator LED 8 Vo...

Страница 108: ......

Страница 109: ...Siemens Industry Inc 444 Hwy 49 South Richland MS 39218 MJ 5 Control Panel Manual Version 3 2014 Siemens Energy Inc 1M 0200TD Printed in U S A SIEMENS is a registered trademark of Siemens AG ...

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