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1、wordSifangManual for JFZ-30Q Switching Parallel Box10 / 14JFZ-30Q witching parallel boxManualPrepared by: Shi Wenhao Checked by: Bao LiyongStandardization censor: Zhen Wei Approved by: Xu GangPublishing numberDocument codePublishing date: Oct of 2005Copyright owned by: Beijing Sifang Automation Co.,
2、 LtdNote: This pany reserves the right of the modification to the manual. If the product is not consistent to the manual, please contact us in time, and we will offer corresponding service to you. Technical support: phone: Fax: Important noticeThank you for using the products of the Beijing Sifang A
3、utomation Co., Ltd. In order to securely, correctly and efficiently use this unit, please notice the following important notice: 1) This manual is only applicable to JFZ-30Q switchingparallelbox. 2) Please read this manual carefully and adjust, test and operate as per the regulations in the manual.
4、If the acpanying information is offered, please refer to the acpanying information. 3) To prevent the unit from damage, it is prohibited to plug various plug-ins and contact the chips and parts in the printing circuit board with the current. 4) Please use the qualified testing instrument and the dev
5、ice for test and detection. 5) If the unit operates abnormally or requires repair, please the contact the pany by the hotline number.Table of contents1General11.1Key features of the product11.2Application scope11.3Shape dimension and installation dimension of the product22Technical condition32.1Rate
6、d parameter32.2Technical parameter32.3Environmental condition32.4Electrical insulation performance32.5Electromagnetic patibility performance42.6Mechanical performance42.7Safety performance43JFZ-30Q switching parallel box53.1Power monitoring loop53.2Voltage switching circuit53.3General principle draw
7、ing, terminal drawing and plug-in layout drawing64Operation notice95Unpack for checking96Transfer and store97Instruction for order91 General1.1 Key features of the productSifang switching parallel box is the suite product for the protection and control unit of the Beijing Sifang Automation Co., Ltd;
8、 meanwhile it is patible to other protection control products and can be used as suite products at home and abroad.The requirement for integrating the voltage monitoring function is considered in the design scheme of Sifang switching parallel box, the switching parallel function is required; the vol
9、tage monitoring function is optional. 1.2 Application scopeThe naming method for Sifang series switching parallel box is as follows: JFZ 30 Q A (/*) (Region flag)Ano-voltage monitoring circuit Bwith voltage monitoring circuit Qswitching parallel box 30dual bus or single bus and single section, switc
10、hing of basic type or parallel 31dual bus or single bus and single section, switching or parallel of the protection and puting voltage 32dual bus or single bus and single section, parallel and repeat of the protection and puting voltage 33single bus dual section, parallel and repeatr of the protecti
11、on and puting voltage 34dual bus and four section, parallel and repeat of the protection and measuring voltage41dual bus or single bus and single section, switching or parallel of the protection, puting and measuring voltage 42dual bus or single bus and single section, parallel and repeat of the pro
12、tection, puting and measuring voltage 43single bus and double section, parallel and repeat of the protection, puting and measuring voltage44dual bus and four section, parallel and repeat of the protection, puting and measuring voltageCode of Sifang relay assisted unit Sifang series switching paralle
13、l box is divided into the base switching/parallel box (JFZ-30Q), dual bus or single bus section switching/parallel box (JFZ-31Q/41Q), single bus and dual section parallel and repeat box (JFZ-32Q/42Q), single bus and double section parallel and repeat (JFZ-33Q/43Q) and double bus and four-section par
14、allel and repeat box (JFZ-34Q/44Q). Wherein JFZ-30Q is used for the protection and measuring voltage switching of the dual bus connection line and is the basic configuration of the switching parallel box; JFZ-31Q is used for the protection and measuring voltage of the dual bus connection line, or is
15、 used for the protection and simple parallel of the measuring voltage of the single bus and single section connection line; JFZ-42Q JFZ-41Q is used for protection, measure and measured voltage switching of the dual bus connection line, or is used for the protection, puting and single parallel of the
16、 single bus and single section connection line; JFZ-32Q is used for the protection and parallel and repeat of the dual bus or single bus and single section; JFZ-42Q is used for the protection, puting and measure voltage parallel and repeat of the dual bus or single bus and single section connection
17、line; JFZ-33Q is used for the protection, measure voltage parallel and repeat of the single bus and dual section connection line; JFZ-43Q is used for the protection, puting and measure voltage parallel and repeat of the single bus and dual section; JFZ-34Q is sued for the protection, measuring volta
18、ge parallel and repeat of the double bus and four section connection line; JFZ-44Q is used for the protection, puting, measure voltage parallel and repeat of the double bus and four section connection line. The switching/parallel box can offer the voltage-monitoring loop in the optional configuratio
19、n manner and is used to monitor PT voltage; JFZ-30Q is the basic switching parallel box and does not offer the voltage monitoring function. The switching relays of all above types of switching parallel boxes can select hold or non-hold type, please mark it upon order. 1.3 Shape dimension and install
20、ation dimension of the productThe enclosure adopts the new half-layer 19/2 standard 4U enclosure and the whole back board adopts the front plug open panel. The light displays on the panel.For the installation hole drawing, refer to the hole dimension drawing of the 19/2 standard enclosure. Hole draw
21、ingDimension drawingFigure 1 19/2-4Ustandard enclosure shape and hole drawing2 Technical condition2.1 Rated parameter1)Rated power and voltage: DC 220 V or 110 V2)Rated AC voltage: 100/V2.2 Technical parameter1) Allowed fluctuation range of the voltage: -20+152) Power consumption: normal state10W3)
22、Capacity of the switching relay contact: 10A 250V AC；2500VA2.3 Environmental conditionThe unit can normally operate under the following environmental condition 1) Environmental temperature: -1055, the storage temperature: -2570, no excitation temperature is offered under the limit, the unit will not
23、 show the non-reversible change, after the temperature recovers, the unit should be able to normally operate. 2) Relative humidity: the maximum average relative humidity for the most humid month is 90%, the minimum average monthly temperature of this month is 25 and there is no condensation on the s
24、urface. 3) Atmosphere pressure: 80kPa110kPa (the elevation height 2km and lower)4) The risks such as fire, explosion and erosion, which threat the product safety and the actions such as shock, impact and collision beyond the regulations in the manual are prohibited at the operation site. 2.4 Electri
25、cal insulation performance1) Media intensity The unit can resist the 2kV AC voltage (strong current loop) or 500V (weak current loop), 50Hz frequency, 1 min duration media intensity test regulated in the GB/T14598.3-1993 (eqv IEC60255-5) and no breakdown and flickering phenomena occurs. 2) Insulatio
26、n resistance The testing instrument with the 500V open voltage can test the unit whose insulation value is not less than 100M and meets the regulations in the IEC60255-5：2000. 3) Impact voltage The unit can bear the impact voltage test for the standard thunder electric wave with the peak 5kV (strong
27、 current circuit) or 1kV (weak current circuit) regulated in the GB/T14598.3-1993(eqv IEC60255-5). 2.5 Electromagnetic patibility performance1) Pulse group interference The unit can bear the 1MHz and 100kHz pulse group interference test regulated in the GB/T 14598.13(eqv IEC60255-22-1). (The first h
28、alf-wave voltage amplitude mon mode is 2.5kV, the differential mode is 1kV). 2) Static discharging interference: The product can bear the static discharge interference test (contact discharge is 6kV) regulated in the GB/T 14598.14(idt IEC60255-22-2). 3) Radiation electromagnetic interference: The un
29、it can bear the (10V/m) radiation electromagnetic field interference test regulated in the GB/T 14598.9(idt IEC60255-22-3). 4) Fast instantaneous change interference The product can bear the IV (2kV for munication port, 4kV for other port) fast instantaneous change interference test regulated in the
30、 GB/T 14598.10(idt IEC60255-22-4). 5) Surge resistance The unit can bear the stringent grade under the 750kV environmental standard regulated by the IEC61000-4-5. 2.6 Mechanical performance1) Vibration The product can bear the I vibration response and shock resistance test regulated in the GB/T 1128
31、7(idt IEC60255-21-1). 2) Impact and collision The product can bear the I impact response and impact resistance test regulated in the GB/T 14537(idt IEC60255-21-2) and I collision test. 3) Mechanical lifecycle The non-interrupted arc of the output contact should reliably operate and can return for 10
32、5times. 2.7 Safety performanceThe product meets at least IP 20 GB and class I safety 16836-shell prevention grade. 3 JFZ-30Q switching parallel boxThe configurations for different types of the JFZ-30Z switching parallel box are as follows: JFZ-30QNo measure voltageNo voltage monitoring：JFZ-30QA(No c
33、orresponding product)No measure voltage(No corresponding product)JFZ-30Q unit includes two groups of switching relays (1YQJ、2YQJ) and monitoring relays (1YQJF、2YQJF) and can not measure voltage switching and monitor PT voltage. Switching parallel boxFigure 2: Panel layout of JFZ-30QA switching paral
34、lel box3.1 Power monitoring loopThe enclosure is connected into the power through the isolation knife switch (I bus4n0101, II bus4n0103 and KM4n0105), the corresponding bus operation indicator illuminates and the break contact of the power loss warning indicator is open. In addition, when two groups
35、 of the isolation switch assisted contact close simultaneously, the relay action is monitored, the make contact closes warning signals. The power-monitoring relay is non-hold relay and is not affected by the hold and non-hold state of the switching relay. 3.2 Voltage switching circuitThe voltage swi
36、tching relay is the default two groups dual-position relay, when the DC voltage disappears, the AC voltage switching relay holds, the protection voltage will not lose (if the user requires, the switching relay can be used as two groups of non-holding relay, when the DC voltage disappears, the AC vol
37、tage switching loop is open). When the product is normally used for the dual bus voltage switching, it is remended to make the 4n0101(start 1YQJ) and 4n0104(return 2YQJ) short and connected to the isolation switch 1G assisted make contact, make the 4n0103(start 2YQJ) and 4n0102(return 1YQJ) short an
38、d connected to the insulation switch 2G assisted make contact, connect 4n0105 to the switching negative power, the corresponding I bus of the panel operates, II bus operation indicator (green) illuminates. 1G and 2G insulation switch only uses one pair of assisted make contact. To improve the adapta
39、bility capability of the unit, the loop driver is designed by four-port input, besides the above dual bus voltage switching, it is also used for the voltage parallel function. The several remended connection modes used for different switching/parallel condition is offered in the general principle dr
40、awing. The first group of PT secondary protection voltage is connected to 4n02014n0205, the measuring voltage is connected to 4n02064n0208; the second group of PT secondary protection voltage is connected to 4n02094n0213, the measuring voltage is connected to 4n02144n0216, the protection voltage is
41、out from the 4n03014n0305 after switching, the measuring voltage is out from the 4n03064n0308. The switching relay should output the contact used for the bus differential protection, distance protection and failure protection, as well as the output contacts required for the status display and collec
42、tion. 3.3 General principle drawing, terminal drawing and plug-in layout drawing(The following is only for reference; you can refer to the packing drawing for the actual unit) Connection illustration 4 small voltage bus grouping parallelConnection illustration 3 small voltage bus redundancy parallel
43、 edundancy parallelConnection illustration 2 dual-bus voltage switching and parallelConnection illustration I dual-bus voltage switchingsimultaneous actionSame circuit disconnection Power disappearII bus isolation knifeI bus isolation knifeII bus measureI bus measureII bus protection voltageI bus pr
44、otection voltageInsulation knife locationFigure 3 general principle drawing of JFZ-30QAswitching parallel boxJFZ-30Z switching paratactic box Figure 4 JFZ-30QA switching parallel box terminal drawingSwitchingExitJFZ-30Q switching paratactic boxFigure 5 JFZ-30QA switching parallel box plug-in layout
45、drawing4 Operation notice4.1 Check whether the rated DC voltage, polarity, actual jumper and closure brake are within allowed range before power on; 4.2 All terminals and all plug-in should be checked whether the screen or relay is loose, fall off, disconnected and damaged before power is on4.3 Chec
46、k and make sure that the external connection loop is not under the short circuit. 4.4 Prevent from plugging the part with current. 5 Unpack for checking5.1 Check whether the units appearance is good after packing; 5.2 Check whether the units qualification certificate, fitting document, attachment an
47、d spare part ply with the order requirement and whether they ply with the type, name and quantity regulated in the packing bill and are plete. 5.3 If there are some problems, please contact with the manufacturer in time. 6 Transfer and storeThe unit should be stored under the environment where the t
48、emperature is -10+40, the relative humidity is higher than 80%, the ambient air does include the erosive, bustible and explosive materials. When the dangerous materials are moved indoors, the dramatic vibration, impact and collision should be avoided (see the 2.6). 7 Instruction for ordera) Product type, name and order number; b) Rated DC voltage: 220 V or 110Vc) Receiving address and ti
