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Woodward MFR 12 Manual

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37352A
MFR 12 Packages
Protection Relay
Manual
Version 3.1xxx
Manual 37352A

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  • Page 1 37352A MFR 12 Packages Protection Relay Manual Version 3.1xxx Manual 37352A...
  • Page 2 Provides other helpful information that does not fall under the warning or caution categories. Woodward reserves the right to update any portion of this publication at any time. Information provided by Woodward is believed to be correct and reliable. However, Woodward assumes no responsibility unless otherwise expressly undertaken.

  • Page 3: Table Of Contents

    Manual 37352A MFR 12 Packages - Protection Relay Revision History Rev. Date Editor Changes NEW 06-03-02 Release based on 37141A 07-07-18 Minor corrections Contents 1. G ..................6 HAPTER ENERAL NFORMATION Introduction .............................6 Measured Value Logging ........................7 Package Functional Descriptions ......................8 2.
  • Page 4 Manual 37352A MFR 12 Packages - Protection Relay 6. C ....................26 HAPTER ONFIGURATION Basic Data ............................27 Configuration Access..........................27 Password............................ 27 Change Passwords ........................28 Direct Configuration..........................29 Measurement............................30 Voltage Measurement (Package 51V) ..................30 Potential Transformer Configuration (Package 51V) ..............
  • Page 5 Manual 37352A MFR 12 Packages - Protection Relay Illustrations and Tables Illustrations Figure 3-1: Wiring diagram ..............................10 Figure 3-2: Power supply................................. 11 Figure 3-3: Measuring inputs - current ............................ 12 Figure 3-4: Measuring inputs - Connections..........................13 Figure 3-5: Measuring inputs - Connection ..........................13 Figure 3-6: Measuring inputs - Displacement voltage ......................

  • Page 6: Chapter 1. General Information

    General Information Introduction ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ The MFR 12 model is a complete generator protection unit packaged into one compact device. Typical applica- tions are generators and switchgear equipment that require independent protection architecture. Different pack- ages offer additional functionality. The detailed model description for the MFR 12 reads as follows: MFR1215 B/ ABDEF..Z...

  • Page 7: Measured Value Logging

    Manual 37352A MFR 12 Packages - Protection Relay Measured Value Logging ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Voltage Package 51V: Voltage dependent time-overcurrent. Current Packages CP / 51V: Three-phase measurement of the r.m.s. value. • ../1 A ........[1] • ../5 A ........[5] Ground Fault The displayed ground current is digitally filtered from the measured currents. This prevents inaccurate values caused by the oscillations of the sine wave associated with ground fault currents from being displayed.

  • Page 8: Package Functional Descriptions

    Manual 37352A MFR 12 Packages - Protection Relay Package Functional Descriptions ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Depending on the model, the unit is equipped with the following functions Function Package General functions 1 ready for operation relay output (normally open contact) Additional freely configurable relay outputs (2 change-over contacts)

  • Page 9: Chapter 2. Electrostatic Discharge Awareness

    CAUTION To prevent damage to electronic components caused by improper handling, read and observe the pre- cautions in Woodward manual 82715, Guide for Handling and Protection of Electronic Controls, Printed Circuit Boards, and Modules. © Woodward Page 9/62...

  • Page 10: Chapter 3. Installation

    Blocking of protective functions/ This is where the DPC must be remote acknowledgement plugged in. Subject to technical modifications. 2005-10-13 | MFR 12 Wiring Diagram r12ww-4105-ap.skf Figure 3-1: Wiring diagram Page 10/62 © Woodward...

  • Page 11: Power Supply

    Manual 37352A MFR 12 Packages - Protection Relay WARNING All technical data and ratings indicated in this chapter are not definite! Only the values indicated under Technical Data on page 52 are valid! CAUTION A circuit breaker must be located near to the unit and in a position easily accessible to the operator.

  • Page 12: Measuring Inputs

    Manual 37352A MFR 12 Packages - Protection Relay Measuring Inputs ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Current WARNING Prior to disconnecting the current transformer connections or the connections of the transformer which are located at the unit, ensure that the transformer is short-circuited. NOTE Grounding of the secondary of a current transformer must always be single-sided.

  • Page 13: Figure 3-4: Measuring Inputs - Connections

    Manual 37352A MFR 12 Packages - Protection Relay Ground Current for Low-Impedance or Solidly Grounded Systems (Package 50-51GN) Holmgreen Cable-type current One-pole transformer in star point connection transformer Earth current Figure 3-4: Measuring inputs - Connections Terminal Measurement Description via Holmgreen Ie (Ground current) 4 mm²...

  • Page 14: Voltage

    Manual 37352A MFR 12 Packages - Protection Relay Voltage Neutral Voltage Displacement (Package IvIkR) WARNING Voltage dividers must be utilized on voltage potential transformers that have secondary outputs greater than 100 Vac. e-n-winding Zero point transformer Displacement voltage = Loading resistor...

  • Page 15: Discrete Inputs

    Manual 37352A MFR 12 Packages - Protection Relay Discrete Inputs ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ 18 to 250 Vac/dc Signal device Discrete input Figure 3-8: Discrete inputs Terminal Assigned Description common (according to DIN 40 719 Part 3, 5.8.3) Blocking of protective functions / remote acknowl- 2.5 mm²...

  • Page 16: Interface

    Manual 37352A MFR 12 Packages - Protection Relay Interface ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ DPC - Direct Configuration Interface NOTE Configuration with the direct configuration cable DPC (P/N 5417-557) is possible. A laptop/PC, the DPC cable, the program LeoPC1 version 3.1.1 or higher (included on CD Rom with unit), and the proper con- figuration files are required.

  • Page 17: Chapter 4. Functional Description

    Manual 37352A MFR 12 Packages - Protection Relay Chapter 4. Functional Description Functional Table ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Monitoring Monitoring Line-to-ground Function Message directional fault Blocking Ground fault Tripping Ie> current 1/2 Tripping Ie> blocked Line-to ground Tripping Ve fault Ve Tripping Ie (falls Ve>*),...

  • Page 18: Control Inputs

    Manual 37352A MFR 12 Packages - Protection Relay Control Inputs ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Blocking of protective Energizing this discrete input disables various protective functions. This functions / Remote ac- functionality may be desired if the control is used for generator protection. knowledgement This keeps the control from recognizing fault conditions (i.e.

  • Page 19: Control Outputs

    Manual 37352A MFR 12 Packages - Protection Relay Control Outputs ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ NOTE A description of the relay manager may be found in Changing the Relay Assignment (Standard / Pack- ages 51V & IvIkR) starting on page 48. Relay 1 Output relay (type: make contact, N.O.) Terminal 9/10 The "relay manager"...

  • Page 20: Alarms

    Manual 37352A MFR 12 Packages - Protection Relay Alarms ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Alarm Messages Table 4-1 contains a list of all alarm messages that the control may monitor for depending on how the unit is con- figured: Alarm type Alarm text Independen time-overcurrent, level 1 Packages CP Ov.curr.

  • Page 21: Chapter 5. Display And Operating Elements

    Manual 37352A MFR 12 Packages - Protection Relay Chapter 5. Display and Operating Elements The pressure-sensitive membrane of the front panel consists of a plastic coating. All keys have been designed as touch-sensitive membrane switch elements. The display is an LC-display, consisting of 2 rows of 16 characters each, with indirect green lighting.

  • Page 22: Leds

    Manual 37352A MFR 12 Packages - Protection Relay LEDs ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ NOTE If neither of the "Wye" and "Delta" LEDs is illuminated, the first line of the display indicates the meas- ured currents of the phases. "Wye" Indication of the wye voltages...

  • Page 23: Push Buttons

    Manual 37352A MFR 12 Packages - Protection Relay Push Buttons ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ In order to facilitate the setting of the parameters the buttons are equipped with an "AUTOSCROLL" function while the controller is in the configuration mode. It permits the user to rapidly advance to the next setting and configuration screens, the digits, or the cursor position.

  • Page 24: Lc Display

    Manual 37352A MFR 12 Packages - Protection Relay LC Display ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ LC Display LC display Performance values can be monitored from the two-line display, provided that the control is in automatic mode. In configuration mode, the individual parameters are displayed.

  • Page 25: Display In Automatic Mode (Second Line Of The Display: Measured Values)

    Manual 37352A MFR 12 Packages - Protection Relay Display in Automatic Mode (Second Line of the Display: Measured Values) NOTE The "Menu" button may be used to scroll through the messages shown on the second line of the dis- play.

  • Page 26: Chapter 6. Configuration

    Manual 37352A MFR 12 Packages - Protection Relay Chapter 6. Configuration Configuration can be performed via the front panel push buttons and the front panel LC display or using a PC and the PC program LeoPC1 via the serial interface. If direct configuration via a PC is selected, the following baud rate is to be used: •...

  • Page 27: Basic Data

    Manual 37352A MFR 12 Packages - Protection Relay Basic Data ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Software version Software version x.xxxx This screen displays the software version loaded into the control (the last two xx are for software revisions which do not affect the function of the unit).

  • Page 28: Change Passwords

    Manual 37352A MFR 12 Packages - Protection Relay NOTE The following configuration screen "Enter code number" only appears if the parameter "Password Pro- tection" is configured "ON" (see below). Enter code number 0000 to 9999 Enter code number 0000 Upon enabling the configuration mode, the user is required to enter an access code number, which identifies the various users.

  • Page 29: Direct Configuration

    • You may start the PC program as follows: - by "Start/Program/Woodward/LeoPC" (starting at version 3.1.xxx), or - by a double click on a file ending ".cfg" in the subdirectory "LeoPC". • After the PC program has been started, establish the communication by pressing the "F2" button. This will es- tablish a data link between the unit and the laptop/PC.

  • Page 30: Measurement

    Manual 37352A MFR 12 Packages - Protection Relay Measurement ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ WARNING The following values must be entered correctly for the generator to be monitored. Failure to do so may lead to incorrect measuring of parameters resulting in damage to or destruction of the generator or switchgear and/or personal injury or death.

  • Page 31: Rated Values

    Manual 37352A MFR 12 Packages - Protection Relay Rated Values Rated voltage 5 to 125 V Rated voltage 000V This parameter defines the system rated voltage. Rated current 10 to 9,999 A Rated current 0000A The system current rating is defined in this parameter. Percentage values in the pro- tective functions refer to this parameter.

  • Page 32: Protection

    Manual 37352A MFR 12 Packages - Protection Relay Protection ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Independent Time-Overcurrent Monitoring (Packages CP / 51V) NOTE All percentage values of the current refer to the rated current (page 30). Function: Current is monitored depending on parameter "Overcurrent Monitoring". The time-overcurrent alarm contains three limits and can be setup as a step definite time overcurrent alarm as illustrated in the figure below.
  • Page 33 Manual 37352A MFR 12 Packages - Protection Relay Threshold independent time-overcurrent, level 2 0 to 300 % Overcurrent 2 I> 100% Overcurrent (level 2) is defined by this parameter. The percentage configured in this parameter refers to the configured rated system current (refer to page 30). If this limit is reached or exceeded, the unit outputs the message "overcur-...

  • Page 34: Inverse Time-Overcurrent Monitoring (Package 51V)

    Manual 37352A MFR 12 Packages - Protection Relay Inverse Time-Overcurrent Monitoring (Package 51V) NOTE All percentage indications of the current refer to the rated current (see page 30). NOTE This monitoring function is only available if Inverse time-overcurrent with voltage restraint is disabled.

  • Page 35: Figure 6-2: Inverse Time-Overcurrent - Characteristic "Normal Inverse

    Manual 37352A MFR 12 Packages - Protection Relay Configuration Screens Inverse time-overcurrent monitoring ON/OFF Inv.time ov.cur. Monitor. ON....Inverse time-overcurrent monitoring is enabled. The subsequent screens of this function are displayed. OFF....Inverse time-overcurrent monitoring is disabled. The subsequent screens of this function are not displayed.

  • Page 36: Figure 6-3: Inverse Time-Overcurrent - Characteristic "Very Inverse

    Manual 37352A MFR 12 Packages - Protection Relay Very Inverse Ip = In; I start = 1.1 x In t[s] 1000 tp = 1.6 s tp = 1.0 s tp = 0.5 s tp = 0.2 s tp = 0.1 s tp = 0.05 s...

  • Page 37: Inverse Time-Overcurrent Monitoring With Voltage Restraint (Package 51V)

    Manual 37352A MFR 12 Packages - Protection Relay Inverse Time-Overcurrent Monitoring with Voltage Restraint (Package 51V) NOTE This monitoring function is an additional functionality for the inverse time overcurrent monitoring func- tion. If the inverse time overcurrent monitoring is disabled, time-overcurrent monitoring with voltage restraint is disabled too.
  • Page 38 Manual 37352A MFR 12 Packages - Protection Relay Example: Initial conditions: Rated voltage V = 100 V Configured value I = 2.0*5 A = 10 A (rated current I = 5 A) Case 1 (monitored voltage V > 90% V As long as the monitored voltage exceeds 90% of the rated voltage, the configured value will not be adjusted.

  • Page 39: Ground Fault Monitoring (Packages Cp / 50-51Gn)

    Manual 37352A MFR 12 Packages - Protection Relay Ground Fault Monitoring (Packages CP / 50-51GN) Ground fault monitoring for low-impedance or solidly grounded systems. Function: The ground fault monitoring can be configured for two threshold limits. The third harmonics single- phase components may result in false currents being monitored on the grounding circuit.
  • Page 40 Manual 37352A MFR 12 Packages - Protection Relay Hysteresis for the ground fault monitoring, level 1+2 1 to 300 % Earth current Hysteresis 000% In order to prevent system fluctuations from continually initiating ground fault cur- rent alarms (levels 1 & 2), a lower release point is defined here. If the control moni- tors the current above the permissible limit, the current must drop below that threshold and the current level defined here.

  • Page 41: Non-Direct. Ground-Fault Monit. Via Displacement Volt

    Manual 37352A MFR 12 Packages - Protection Relay Non-Direct. Ground-Fault Monit. via Displacement Volt. (Package IvIkR) The unit may be used to monitor for earth faults in the stator winding of three-phase motors drawing current from the mains via a unit-connected transformer. If a ground current fault is detected, the control senses the current phase shift, providing about a 95% protection of the windings rating.
  • Page 42 Manual 37352A MFR 12 Packages - Protection Relay Second tripping level for the displacement voltage Function: "Measurement of the displacement voltage (level 2)/disconnect impedance reactor" Isolated or compensated distribution systems may use an impedance reactor to increase the resistance to earth.

  • Page 43: Ground-Fault Monitoring, Measured (Package Ivikr)

    Manual 37352A MFR 12 Packages - Protection Relay Ground-Fault Monitoring, Measured (Package IvIkR) Measured ground fault monitoring with isolated or balanced mains. The line-to-ground current is usually measured via a cable-type transformer or current transformers in Holm- green. Ground faults result in comparatively small ground currents at the location of the fault. The measuring in- put is specially designed for these small ground currents.

  • Page 44: Directional Ground Fault Monitoring (Package Ivikr)

    Manual 37352A MFR 12 Packages - Protection Relay Directional Ground Fault Monitoring (Package IvIkR) Directional ground fault monitoring is used in isolated and compensated networks. Functional Description Function: "Ground fault within the protection area" Package IvIkR enables to perform a direction-dependent ground fault monitoring. A selective monitoring of several generators, which feed one busbar without block transformers, is possible.
  • Page 45 Manual 37352A MFR 12 Packages - Protection Relay Directional ground fault monitoring ON/OFF Earth fault Ie restricted ON....The direction of the ground current is monitored to ensure that it is proportional to the measured displacement voltage. A fault condition is not recognized if the direction element determines that the ground fault is external.

  • Page 46: Relay Configuration

    Manual 37352A MFR 12 Packages - Protection Relay Relay Configuration ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ NOTE Clearing of faults and fault messages from the control unit will depend on the parameters "Exter- nal clearing", "Auto-clearing Relays", and "Auto-clearing Display". These three parameters will influence the other depending on how each is configured. This is explained in the following text.

  • Page 47: Auto Acknowledgement Of Messages

    Manual 37352A MFR 12 Packages - Protection Relay NOTE The subsequent screens are only visible if the parameter "Auto-clearing Relays" and the corre- sponding protective function are enabled and the control unit is equipped with the protective function- ality. Release delay of the relays 0.02 to 99.98 s...

  • Page 48: Changing The Relay Assignment (Standard / Packages 51V & Ivikr)

    Manual 37352A MFR 12 Packages - Protection Relay Changing the Relay Assignment (Standard / Packages 51V & IvIkR) Change relay assignment? YES/NO Change relay- allocation? This parameter permits the user to change how the relay outputs are configured. Refer to the list of parameters.

  • Page 49: Table 6-2: Protective Function Output To Relay

    Manual 37352A MFR 12 Packages - Protection Relay NOTE The following screen(s) will only be displayed if the unit is equipped with the corresponding protective function(s), the protective function is enabled, and the parameter "Change relay allocation" is en- abled.

  • Page 50: Chapter 7. Commissioning

    Manual 37352A MFR 12 Packages - Protection Relay Chapter 7. Commissioning DANGER - HIGH VOLTAGE When commissioning the control, please observe all safety rules that apply to the handling of live equipment. Ensure that you know how to provide first aid in the event of an uncontrolled release of en- ergy and that you know where the first aid kit and the nearest telephone are.

  • Page 51: Appendix A. Dimensions

    Manual 37352A MFR 12 Packages - Protection Relay Appendix A. Dimensions Front view Configuration port Back plate mounting optional (please order brackets P/N 8923-1023) Bottom view 50 mm 130 mm Back view with connecting terminals Configuration port Configuration port 2005-09-13 | MFR 12 Dimensions r1ww-3705-ab.skf Figure 7-1: Dimensions ©...

  • Page 52: Appendix B. Technical Data

    Manual 37352A MFR 12 Packages - Protection Relay Appendix B. Technical Data Nameplate ------------------------------------------------------------------------------------------------------ Serial number (numerical) Date of production (YYMM) Serial number (Barcode) Item number Item revision number Details Technical data Type Description (long) Type Description (short) UL sign...
  • Page 53 Manual 37352A MFR 12 Packages - Protection Relay Relay outputs ----------------------------------------------------------------------------------potential free - Contact material....................... AgCdO - General purpose (GP) (V Cont, relay output AC ........2.00 Aac@250 Vac DC ........2.00 Adc@24 Vdc 0.36 Adc@125 Vdc 0.18 Adc@250 Vdc - Pilot duty (PD) (V Cont, relay output AC ..............

  • Page 54: Appendix C. Measured Quantities And Accuracy

    Manual 37352A MFR 12 Packages - Protection Relay Appendix C. Measured Quantities and Accuracy Measuring value Display/range Accuracy Note Voltage 0 to 125 V/0 to 65 kV Accuracy depending on the configured transformer ratio Current 0 to 9,999 A Reference conditions: The data apply to the following reference conditions: •...

  • Page 55: Appendix D. List Of Parameters

    Manual 37352A MFR 12 Packages - Protection Relay Appendix D. List of Parameters Product number P/N _____________________________ Rev _______________________________ Version MFR 12_______________________________________________________________ Project _____________________________________________________________________ Serial number S/N _______________ Date ______________________________ Setting range Pckg Parameter Default setting Customer setting 100 V...
  • Page 56 Manual 37352A MFR 12 Packages - Protection Relay Setting range Parameter Default setting Customer setting Pckg 100 V PROTECTION ON/OFF Overcurrent Monitoring Overcurrent 1 I> 0 to 300 % 120 % Overcurrent 1 Delay 0.02 to 99.98 s 0.1 s Overcurrent 2 I>...

  • Page 57: Appendix E. Service Options

    ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ If a control (or any part of an electronic control) is to be returned to Woodward for repair, please contact Wood- ward in advance to obtain a Return Authorization Number. When shipping the unit(s), attach a tag with the fol- lowing information: •...

  • Page 58: Packing A Control

    Stuttgart [+49 (711) 789 54-0]. They will help expedite the processing of your order through our distributors or local service facility. To expedite the repair process, contact Woodward in advance to obtain a Return Authoriza- tion Number, and arrange for issue of a purchase order for the unit(s) to be repaired. No work can be started until a purchase order is received.

  • Page 59: How To Contact Woodward

    +49 (711) 789 54-100 e-mail: stgt-info@woodward.com For assistance outside Germany, call one of the following international Woodward facilities to obtain the address and phone number of the facility nearest your location where you will be able to get information and service. Facility...

  • Page 60: Engineering Services

    MFR 12 Packages - Protection Relay Engineering Services ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ Woodward Industrial Controls Engineering Services offers the following after-sales support for Woodward prod- ucts. For these services, you can contact us by telephone, by e-mail, or through the Woodward website. • Technical support •...

  • Page 61: Technical Assistance

    Manual 37352A MFR 12 Packages - Protection Relay Technical Assistance ≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡ If you need to telephone for technical assistance, you will need to provide the following information. Please write it down here before phoning: Contact Your company ___________________________________________________ Your name ______________________________________________________...
  • Page 62 Phone +49 (711) 789 54-0 • Fax +49 (711) 789 54-100 stgt-info@woodward.com Homepage http://www.woodward.com/power Woodward has company-owned plants, subsidiaries, and branches, as well as authorized distributors and other authorized service and sales facilities throughout the world. Complete address/phone/fax/e-mail information for all locations is available on our website (www.woodward.com).

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