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g GE Power Management 269Plus Motor Management Relay g GE Power Management 269Plus Motor Management Relay Offering optimum motor protection in situations where other relays cannot, the 269 Plus Motor Management Relay possesses the unique feature of its ability to “learn” individual motor parameters, giving it the flexibility to adapt to each application by “learning” values of motor inrush current, negative sequence current K factor, cool down rates, start thermal capacity and acceleration time. g GE Power Management 269Plus Motor Management Relay Presentation Overview Applications User Interface Metering and Monitoring Inputs and Outputs Protection and Control Typical Wiring Communications Ordering g GE Power Management 269Plus Motor Management Relay Applications The 269 Plus is a microprocessor based product designed to provide complete and accurate protection for industrial motors and their associated mechanical systems. Three phase AC motors Mechanical system protection MAIN g GE Power Management 52 50 50G 4160V BUS (4) ISOLATED ANALOG OUTPUTS 400A Applications COMMUNICATION with METERING OPTION VOLTS METERING OPTION AMPS MPM FUNCTIONAL BLOCK DIAGRAM FUSED CONTACTOR 48 46 66 3 PHASE CTs / 50 51 49 37 50G GROUND CT 86 TRIP RELAY 51G 47 55 27 74 AMBIENT AIR STATOR RTDs RTD BEARING RTDs ALARM RELAY 38 26 9Plu sRELAY RELAY 269PLUS LOAD MOTOR 14 AUXILIARY RELAY #1 SPEED DEVICE CONTACTS 87 37 49 DIFFERENTIAL RELAY CONTACTS 14 87 AUXILIARY RELAY #2 SELF TEST ALARM Legend 52b RS485 SPARE INPUT STARTER AUXILIARY B CONTACT REMOTE COMMUNICATION MAIN g GE Power Management Applications DEVICE PROTECTION 14 37 38 46 48 49 49/51 50 50G/51G 50N/51N 52b 74 86 Speed Device Undercurrent/Minimum Load Motor/Load Bearing Overtemperature Unbalance - Negative Sequence Multiple Starts/Locked Rotor Stator Winding Overtemperature Overload Curves/FlexCurves Short Circuit/Mechanical Jam/Rapid Trip Zero Sequence Ground Fault Residual Ground Fault Breaker One Alarm Relay, Two Auxiliary Relays Main Trip Latched Relay Auxiliary Relay No. 1 Auxiliary Relay No. 2 Differential Relay Contact Input Starts per hour Volts Phase Reversal (Meter Option) Undervoltage (Meter Option) Frequency (Meter Option) Power Factor (Meter Option) 87 66 47 27 55 g GE Power Management 269Plus Motor Management Relay Protection Stator winding overtemperature User defined overload FlexCurveTM Phase reversal (meter option) Bearing overtemperature Locked rotor Ground fault Multiple starts Rapid trip/mechanical jam Overloads Unbalance/single phasing Variable lock out time 8 standard overload curves Short circuit “Learns” individual motor parameters Undercurrent MAIN g GE Power Management 269Plus Motor Management Relay Start and Running Motor is protected under both Acceleration and Running conditions The 269 Plus can trigger an alarm or trip the motor based on: normal acceleration time number of starts per hour multiple starts time between starts motor overload conditions MAIN g GE Power Management Protection Overload One of eight standard overload curves may be programmed based on motor manufacturer’s locked rotor time capability. Alternately, the user may program in a custom curve using the builtin FlexCurve™ function. View 8 Standard Overload Curves MAIN g GE Power Management Protection 8 Standard Overload Curves The motor’s service factor value is entered as the overload pickup level Full Load Current Setpoint Multiples of Full Load Current Setpoint g GE Power Management Protection FlexCurve™ 6500 HP, 13800 Volt INDUCED DRAFT FAN MOTOR When a FlexCurve is programmed, the 269 Plus develops a smooth custom overload curve within a selected range. 1 2 2) Running Safetime (Rotor Limited) 3 FlexCurve can be used to protect motors which have different rotor and stator damage, allowing total motor design capacity with complete protection. 1) Programmed 269 Plus Custom Curve 3) Acceleration Safetime (Rotor Limited) 4) Motor Current @ 100% Voltage 4 5 5) Motor Current @ 80% Voltage Multiples of Full Load Current Setpoint g GE Power Management Protection Thermal Modeling The Thermal Model within the 269Plus has the ability to compute the motor I2t value based on actual motor load current. thermal model calculates value in terms of thermal capacity used RTDs (resistance temperature units) measuring stator temperature act as a thermal capacity check to confirm value calculated by thermal model. RTDs may be used for monitoring stator, bearing, ambient, or other temperature monitoring. thermal capacity used is then updated to reflect the higher of the two values MAIN g GE Power Management Protection Motor Match MotorMatch modifies the initially entered relay parameters to match actual measured motor characteristics. The key elements include: accumulated I2t in the memory RTD input to the memory learned cooldown time from run to stop learned cooldown time from runoverload to run-normal learned acceleration time learned negative sequence contribution (K-factor) MAIN g GE Power Management Protection RTD Hot Motor Compensation When hot motor compensation is enabled: RTD feedback from actual stator temperature checks the thermal capacity model User has the capability to match the motor thermal characteristics with a dual slope RTD bias curve The two part curve allows for easy fitting of hot and cold motor damage curves to the RTD bias feature MAIN g GE Power Management 269Plus Motor Management Relay User Interfaces PC Software for setting, monitoring 48 character alpha-numeric backlit LCD display Five Target LED indicators MPM (meter) com port RS485 com port (ModBus® RTU) MAIN g GE Power Management User Interfaces HELP KEY Help key can be pressed at any time to provide additional information PROTECTIVE COVER Rugged, corrosion and flame retardant case Meets IP53/NEMA 12 MAIN g GE Power Management User Interfaces DISPLAY I 1=120 I 3=121 I 2=120 (AMPS) 48 Character alpha-numeric backlit LCD display for viewing actual values, causes of alarms and trips, and programming setpoints. STATUS INDCATORS 5 LEDs indicate when an output is activated. When an LED is lit the cause of the output relay operation will be shown on the display. KEYPAD Used to select the display of actual values, causes of alarms, causes of trips, fault diagnosis and to program setpoints. MAIN g GE Power Management User Interfaces 4 OUTPUT RELAYS CONTROL POWER Programmable alarm and trip conditions activated by: programmable setpoints switch input remote communication control N C 2 9 3 0 A LA R M N O R ELAY N C 3 1 A UX 1 N O R ELAY N C 3 2 3 3 A UX 2 N O R ELAY 3 4 C O N TR O L P O W E R L ( + )N O G L2 /N (- ) 3 5 3 6 3 7 TM 2 1 5 TM 2 0 6 TM 2 1 4 TM 2 0 5 TM 2 1 3 TM 2 0 4 TM 2 1 2 TM 2 1 7 TM 2 1 6 4 4 4 5 4 6 4 7 4 8 4 9 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 4 6 4 7 8 8 R2 2 8 M U L TI L I N 2 6 9 B2 0 0 R E V. C 6 0 8 /9 6 TM 2 0 3 TM 2 0 3 TM 2 0 2 TM 2 0 2 TM 2 0 1 TM 2 0 1 1 2 1 1 1 0 9 8 7 6 5 4 RTD 1-3 LINE 3 8 3 9 3 2 1 8 2 5 :1 8 1 8 0 P H A SE 2 C O M 7 9 5 :1 7 8 7 7 Phase and ground CT inputs P H A SE 3 C O M 7 6 SH D 6 0 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 7 0 7 1 5 4 0 120/125 AC/DC 240/250 AC/DC 24 AC/DC, 48 AC/DC 4 1 4 2 4 3 INPUTS/OUTPUTS Spare input MPM (meter) com port Differential relay input Speed switch input Access input Emergency restart External output Analog output RS485 com port RTD 4-6 Typically used for stator winding protection T2 0 4 P H A SE 1 C O M T2 0 3 :1 8 3 T2 0 2 T2 0 1 Typically used for stator winding protection + S S. R S T. R E S R S 4 8 5 WC. C EEM S P A RM E E T EDR I F F. S P. S A EX +++++++ + - TM 2 0 7 R S4 2 2 Can be assigned to monitor motor and load bearings, and ambient temperature N C G N D J2 0 1 H PO T R XR- X + RTD 7-10 T R IP R ELAY G R O U N D FA U LT 2 0 0 0 C O M :5 7 5 7 4 7 3 7 2 Contrast dial MAIN g GE Power Management 269Plus Motor Management Relay Communications Protocol Modbus® RTU protocol Terminals for RS485 located on rear port of the relay Successfull interface with many PLCs such as Modicon, Square D, Allen Bradley and GE Fanuc MAIN g GE Power Management 269Plus Motor Management Relay Metering Actual Values average and individual phase currents RTD temperatures (hottest, individual, maximum) unbalance ratio (%In/Ip) ground leakage current thermal capacity remaining / estimated time to trip at present overload level motor load as a percent of full load phase to phase or phase to neutral voltage (meter option) W, var, MWhr, PF, Hz (meter option) MAIN g GE Power Management 269Plus Motor Management Relay Monitoring Prior Alarms immediate overload/stall warning ground fault mechanical jam unbalance undercurrent RTD overtemperature, broken RTD sensor, low temperature RTD self-test-service under/overvoltage (meter option) low power factor (meter option) MAIN g GE Power Management 269Plus Motor Management Relay Monitoring Fault Diagnosis 269 Plus displays the cause of the trip and will show the remaining lock-out time if applicable cause of the last trip and pre-trip values can be recalled for rapid fault diagnosis. MAIN g GE Power Management 269Plus Motor Management Relay Monitoring Statistical Data (StatTracTM) StatTracTM provides statistical data of motor use for operations monitoring, maintenance, and fault diagnosis. Using the Keypad, the user can display: running hours and number of starts since last commissioning number of all trips number of specific types of trips total Watt-hours (with meter option) MAIN g GE Power Management 269Plus Motor Management Relay Inputs Speed Switch Input enables the user to use an external speed device Differential Relay Input provided terminals to accept contact closure from an external differential relay all protective functions grouped through one main relay Spare Input spare input terminals configurable to represent either a standard contact input (ie-pressure switch), or a specific contact input (circuit breaker/contactor status) 52b contact from a circuit breaker = positive identification of the position of the breaker(open or closed) MAIN g GE Power Management 269Plus Motor Management Relay Outputs 4 Output Relay Contacts Trip Relay as main latched output relay Alarm output relay (latched or unlatched) Auxiliary 1 output relay (latched or unlatched) Auxiliary 2 output relay Analog output Used to indicate motor thermal capacity used, motor current, hottest stator RTD, bearing RTD, or CT secondary current MAIN START STOP FUSE 269Plus TYPICAL WIRING GROUND BUS ALTERNATE CONNECTION FOR COMMON SHIELD 52b METER COM PORT EXTERNAL CONTACTS EXTERNAL CONTACTS JUMPER OR KEYSWITCH KEYSWITCH EXTERNAL RESET AMMETER OR PROGRAMMABLE CONTROLLER RS485 COM PORT GROUNDED AT MASTER ONLY PHASE A CT MOTOR PHASE B CT PHASE C CT 50:0.025 GROUND CT ZERO SEQUENCE GROUND CONNECTION PHASE A CT MOTOR PHASE B CT PHASE C CT RESIDUAL GROUND CONNECTION (ALTERNATE) MAIN g O R D E R C O D E 269PLUS 269PLUS * * * * * * Motor Management Relay 120 240 24DC 48DC Standard version Drawout version Phase CT 1 Ground CT (required for D/O only) :5 2000:1 :5 :5 :1 2000:1 :1 :5 Relay fail safe code2 (required for D/O only) Trip Alarm Aux1 Aux2 FS NFS NFS FS NFS FS NFS FS FS FS NFS FS NFS NFS FS FS FS NFS FS FS NFS FS FS FS FS FS FS FS NFS NFS NFS FS 3 Relay contact arrangement (required for D/O only) Alarm Aux1 Aux2 N.O. N.O. N.O. N.O. N.O. N.C. N.O. N.C. N.O. N.O. N.C. N.C. N.C. N.O. N.O. N.C. N.O. N.C. N.C. N.C. N.O. N.C. N.C. N.C. 100 Ohm platinum RTD 10 Ohm copper RTD 100 Ohm nickel RTD 120 Ohm nickel RTD 120 AC/125 DC control voltage 240 AC/250 DC control voltage 24 DC control voltage 48 DC control voltage SV D/O 1 2 3 4 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 100P 10C 100N 120N g Contact : GE Power Management GE Power Management 215 Anderson Ave., Markham, Ont. Canada L6E 1B3 Tel: 905-294-6222 Fax: 905-201-2098 Email: [email protected] 269Plus Motor Management Relay