Supply of digital computer protection and monitoring device bus SWI500-MJ

SWI500-MJ bus monitor integrated monitoring and control device is suitable for the detection of bus voltage level measurement and control 35kv or less. 1, the main function 1.1 overvoltage protection function ■ ■ ■ residual voltage undervoltage ■ ■ non-power monitoring and control functions 1.2 telesignalling: 8 external digital input ■ telemetry remote communication: 4 voltage, 4 current, active, reactive , power factor, frequency ■ remote: remote breaker opening, closing contact output 1.3 Communication Functions ■ device has RS485 communication interface, can be connected to communication systems and intelligent devices and factory automation station. 2, the protection function 2.1 Zero Sequence overvoltage device has a zero-sequence voltage protection, zero-sequence voltage is selected by the external input. 2.2 Low voltage protection when any line voltage is less than the low voltage value, and after settable delay, low voltage protection. 2.3 Overvoltage protection when any line voltage exceeds the overvoltage value, and after settable delay, over-voltage protection. 2.4 Non-electrical protection devices provide a road trip non-power and non-power 1-way alarm input (set to screen 10 of the screen can be set to enable and disable) 3, setting the parameter list to protect the value setting No. Name Setting Range Description 1 Over voltage protection cast back / disable 2 overvoltage protection voltage value 0.00-129V 3 overvoltage time value 0.0-9.99S ??4 undervoltage protection cast back / disable 5 undervoltage protection voltage value 0.00-129V 6 Brown protection time setting 0.0-9.99S ??7 zero-sequence voltage protection cast back / disable 8 zero-sequence voltage protection voltage value 0.00-129V 9 zero-sequence voltage protection time setting 0.0-9.99S ??4, terminal diagrams A voltage input means work Power + A-1 means the power supply - A-2 A-phase bus voltage A-3 B-phase bus voltage A-4 C-phase bus voltage A-5 bus voltage neutral line N A-6 A-7 zero-sequence voltage Zero Sequence voltage neutral line N A-8 D input circuits to retain current D-1 B switch input PT Used position B-1 Reserved D-2 BI1 (see system drawings) B-2 retention D-3 BI2 (see System Engineering Figure) B-3 reservations D-4 BI3 (see system drawings) B-4 Reserved D-5 BI4 (see system drawings) B-5 reserved D-6 BI5 (see system drawings) B-6 reserved D- 7 BI6 failure to open the B-7 reserved D-8 BI7 alarm open reserve in the B-8 B-9 into the common ground terminal retaining means B-10 C alarm signal output control power supply + KM C-1 control power -KM C -2 to TQ (tripping coil) C-3 to HQ (closing coil) C-4 alarm signal output common alarm signal output C-5 C-6 announcement signals output common C-7 announcement signals output C-8 RS485 + C-9 RS485- C-10 SWI500 series of high-end microprocessor based protection and control devices and control devices bus SWI500-MJ SWI500-LBT incoming line standby protection SWI500-C capacitor protection SWI500-MB motor protection devices SWI500-TC distribution transformers protection SWI500-L line protection SWI600 series for the protection SWI9000 background monitoring system SWI600-ZY Substation IEDs SWI600-CK ??comprehensive monitoring and control devices SWI600-TB main transformer backup protection device SWI600-TZ differential protection device SWI600- MJ automatic monitoring voltage switching device SWI600-BT backup power automatic switching device SWI600-MB motor protection devices SWI600-MZ motor differential protection device SWI600-C capacitor protection SWI600-TC Distribution Transformer protection SWI600-L Line Protection Device