GE Feeder Management Relay 750 Instruction Manual

ii 750/760 Feeder Management Relay GE MultilinINDEXsetpoints .............................................................................. 5-71testing ................................................................................. 8-31BREAKER FUNCTIONS ....................................................... 5-21BREAKER OPERATIONlogic diagram ....................................................................... 5-92setpoints .............................................................................. 5-92BREAKER OPERATION FAILURE ....................................... 8-37BUS TIE RELAYS ................................................................5-110BUS UNDERVOLTAGElogic diagram ....................................................................... 5-64setpoints .............................................................................. 5-64testing ................................................................................. 8-25BUS VOLTAGEfrequency ............................................................................ 8-11measuring ............................................................................ 8-10BUS VT SENSING SETPOINTS ........................................... 5-16CCALIBRATION DATES ......................................................... 6-19CAPACITOR BANK SWITCHING ......................................... 5-75CASEdimensions ............................................................................ 3-1installation ............................................................................. 3-2mounting tabs ........................................................................ 3-2removing unit from ................................................................. 3-4CHANGING SETPOINTS ........................................................ 1-3CLEAR DATA ........................................................................ 5-15CLOCKactual values ......................................................................... 6-7setpoints .............................................................................. 5-10specifications ....................................................................... 2-11CLOCK SYNCHRONIZATIONmultiple relays ....................................................................... 7-8CLOSE COIL MONITORING ................................................. 8-37CLOSE COIL SUPERVISIONconnection diagram .............................................................. 3-13description ........................................................................... 3-12COIL MONITORlogic diagram ....................................................................... 5-93setpoints .............................................................................. 5-93COLD LOAD PICKUPdescription ..........................................................................5-103feature blocking ................................................................... 8-43logic diagram ......................................................................5-104setpoints .............................................................................5-103COMMISSIONING .................................................................. 8-1COMMON SETPOINTS .......................................................... 5-4COMMUNICATIONSconfiguring with software ...................................................... 4-10dead time .............................................................................. 7-2DNP setpoints ........................................................................ 5-9features ................................................................................. 7-1physical layer ......................................................................... 7-1RS232 ................................................................................. 3-18RS422 ................................................................................. 3-17setpoints ................................................................................ 5-7slave address ........................................................................ 7-2specifications ....................................................................... 2-11CONTACT INFORMATION ..................................................... 1-1CONTROL FUNCTIONS ....................................................... 5-22CONTROL POWERconnection diagram .............................................................. 3-12description ........................................................................... 3-12CONTROL SCHEMEScold load pickup blocking ..................................................... 8-43manual close feature blocking .............................................. 8-42setpoint group control .......................................................... 8-39specifications ....................................................................... 2-10synchrocheck ....................................................................... 8-40transfer ................................................................................ 8-47underfrequency restoration ................................................... 8-46undervoltage restoration ....................................................... 8-44COUNTERStrip ...................................................................................... 6-15CRC-16 ALGORITHM ............................................................. 7-3CTssee CURRENT TRANSFORMERCURRENT ACTUAL VALUES ................................................. 6-9CURRENT DEMANDlogic diagram ....................................................................... 5-79measurement ....................................................................... 8-13monitoring ........................................................................... 8-34setpoints .............................................................................. 5-79CURRENT SENSING SETPOINTS ....................................... 5-16CURRENT TRANSFORMERAC inputs ............................................................................... 3-8current sensing .................................................................... 5-16ground inputs ......................................................................... 3-8sensitive ground inputs ........................................................... 3-8zero sequence installation .................................................... 3-10CURVESANSI .................................................................................... 5-33definite time ......................................................................... 5-32IAC ...................................................................................... 5-35IEC ...................................................................................... 5-34CUTOUTSpanel ..................................................................................... 3-2DDATA LINK LAYER ................................................................. 7-2DATA LOGGERmodes ................................................................................. 5-12reading ................................................................................ 7-11setpoints .............................................................................. 5-12software ............................................................................... 4-16SR750/760PC program ......................................................... 4-16DEAD TIME ............................................................................. 7-2DEFAULT MESSAGESadding ................................................................................. 5-14removing ............................................................................. 5-14setpoints .............................................................................. 5-14DEFINITE TIME CURVE ....................................................... 5-32DEMANDactual values ....................................................................... 6-13apparent power ...................................................5-82 , 8-14 , 8-35current ........................................................................ 5-79 , 8-13description ........................................................................... 5-78reactive power ....................................................5-81 , 8-14 , 8-34real power ..........................................................5-80 , 8-14 , 8-34thermal demand characteristic .............................................. 5-78DIAGNOSTIC MESSAGES ..................................................... 4-4DIELECTRIC STRENGTH TESTING .................................... 8-57DIMENSIONS .......................................................................... 3-1DIRECTIONAL OVERCURRENTdescription ........................................................................... 5-39phase A polarizing ............................................................... 5-40DNP COMMUNICATIONSdescription ............................................................................. 5-9device profile document ........................................................ 7-49implementation table ............................................................ 7-51point list table ...................................................................... 7-52setpoints ................................................................................ 5-9DRAWOUT CASEdescription ............................................................................. 3-1installation ............................................................................. 3-1seal ....................................................................................... 3-1DRY CONTACT CONNECTIONS ......................................... 3-14EEARTH FAULTrestricted ............................................................................. 5-55ENERGY ACTUAL VALUES ................................................. 6-12ENTERING SETPOINTSwith SR750/760 PC .............................................................. 4-13