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1、-SifangManual for JFZ-30Q Switching Parallel Bo*. z.-JFZ-30Q witching parallel bo*ManualPrepared by: Shi Wenhao Checked by: Bao LiyongStandardization censor: Zhen Wei Approved by: *u GangPublishing number: V1.0Document codePublishing date: Oct of 2005Copyright owned by: Beijing Sifang Automation Co.
2、, LtdNote: This company 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: Fa*: Important noticeThank you for using the products of the Beijing Sifa
3、ng Automation 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 switchingparallelbo*. 2) Please read this manual carefully and adjust, test and operate as per the regulations in the manu
4、al. If the accompanying information is offered, please refer to the accompanying 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 a
5、nd the device for test and detection. 5) If the unit operates abnormally or requires repair, please the contact the company by the hotline number.Table of contents1General11.1Key features of the product11.2Application scope11.3Shape dimension and installation dimension of the product22Technical cond
6、ition32.1Rated parameter32.2Technical parameter32.3Environmental condition32.4Electrical insulation performance32.5Electromagnetic compatibility performance42.6Mechanical performance42.7Safety performance43JFZ-30Q switching parallel bo*53.1Power monitoring loop53.2Voltage switching circuit53.3Genera
7、l principle drawing, terminal drawing and plug-in layout drawing64Operation notice95Unpack for checking96Transfer and store97Instruction for order9. z.-1 General1.1 Key features of the productSifang switching parallel bo* is the suite product for the protection and control unit of the Beijing Sifang
8、 Automation Co., Ltd; meanwhile it is compatible 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 bo*, the switching parallel funct
9、ion is required; the voltage monitoring function is optional. 1.2 Application scopeThe naming method for Sifang series switching parallel bo* is as follows: JFZ 30 Q A (/*) (Region flag)Ano-voltage monitoring circuit Bwith voltage monitoring circuit Qswitching parallel bo* 30dual bus or single bus a
10、nd single section, switching of basic type or parallel 31dual bus or single bus and single section, switching or parallel of the protection and computing voltage 32dual bus or single bus and single section, parallel and repeat of the protection and computing voltage 33single bus dual section, parall
11、el and repeatr of the protection and computing 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, computing and measuring voltage 42dual bus or single bus and single sec
12、tion, parallel and repeat of the protection, computing and measuring voltage 43single bus and double section, parallel and repeat of the protection, computing and measuring voltage44dual bus and four section, parallel and repeat of the protection, computing and measuring voltageCode of Sifang relay
13、assisted unit Sifang series switching parallel bo* is divided into the base switching/parallel bo* (JFZ-30Q), dual bus or single bus section switching/parallel bo* (JFZ-31Q/41Q), single bus and dual section parallel and repeat bo* (JFZ-32Q/42Q), single bus and double section parallel and repeat (JFZ
14、-33Q/43Q) and double bus and four-section parallel and repeat bo* (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 bo*; JFZ-31Q is used for the protection and measuring v
15、oltage of the dual bus connection line, or is 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
16、protection, computing and single parallel of the 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, computing and measure voltage parallel and repeat of the du
17、al bus or single bus and single section connection 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, computing and measure voltage parallel and repeat of the single bus and dual sectio
18、n; JFZ-34Q is sued for the protection, measuring voltage parallel and repeat of the double bus and four section connection line; JFZ-44Q is used for the protection, computing, measure voltage parallel and repeat of the double bus and four section connection line. The switching/parallel bo* can offer
19、 the voltage-monitoring loop in the optional configuration manner and is used to monitor PT voltage; JFZ-30Q is the basic switching parallel bo* and does not offer the voltage monitoring function. The switching relays of all above types of switching parallel bo*es can select hold or non-hold type, p
20、lease mark it upon order. 1.3 Shape dimension and installation 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 d
21、imension drawing of the 19”/2 standard enclosure. Hole drawingDimension drawingFigure 1 19”/2-4Ustandard enclosure shape and hole drawing. z.-2 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 ran
22、ge of the voltage: -20+152) Power consumption: normal state10W3) 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 e*c
23、itation temperature is offered under the limit, the unit will not show the non-reversible change, after the temperature recovers, the unit should be able to normally operate. 2) Relative humidity: the ma*imum average relative humidity for the most humid month is 90%, the minimum average monthly temp
24、erature of this month is 25 and there is no condensation on the surface. 3) Atmosphere pressure: 80kPa110kPa (the elevation height 2km and lower)4) The risks such as fire, e*plosion and erosion, which threat the product safety and the actions such as shock, impact and collision beyond the regulation
25、s in the manual are prohibited at the operation site. 2.4 Electrical 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-
26、5) and no breakdown and flickering phenomena occurs. 2) Insulation 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
27、 for the standard thunder electric wave with the peak 5kV (strong current circuit) or 1kV (weak current circuit) regulated in the GB/T14598.3-1993(eqv IEC60255-5). 2.5 Electromagnetic compatibility performance1) Pulse group interference The unit can bear the 1MHz and 100kHz pulse group interference
28、test regulated in the GB/T 14598.13(eqv IEC60255-22-1). (The first half-wave voltage amplitude common 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 14598.1
29、4(idt IEC60255-22-2). 3) Radiation electromagnetic interference: The unit 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 communication port, 4kV fo
30、r other port) fast instantaneous change interference test regulated in the 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
31、 I vibration response and shock resistance test regulated in the GB/T 11287(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-interrupt
32、ed arc of the output contact should reliably operate and can return for 105times. 2.7 Safety performanceThe product meets at least IP 20 GB and class I safety 16836-shell prevention grade. . z.-3 JFZ-30Q switching parallel bo*The configurations for different types of the JFZ-30Z switching parallel b
33、o* are as follows: JFZ-30QNo measure voltageNo voltage monitoring：JFZ-30QA(No corresponding 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 vo
34、ltage. Switching parallel bo*Figure 2: Panel layout of JFZ-30QA switching parallel bo*3.1 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 co
35、ntact of the power loss warning indicator is open. In addition, when two groups 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-
36、hold state of the switching relay. 3.2 Voltage switching circuitThe voltage switching 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
37、 as two groups of non-holding relay, when the DC voltage disappears, the AC voltage switching loop is open). When the product is normally used for the dual bus voltage switching, it is recommended to make the 4n0101(start 1YQJ) and 4n0104(return 2YQJ) short and connected to the isolation switch 1G a
38、ssisted make contact, make the 4n0103(start 2YQJ) and 4n0102(return 1YQJ) short and connected to the insulation switch2G 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 ins
39、ulation switch only uses one pair of assisted make contact. To improve the adaptability 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 recommended connection modes us
40、ed for different switching/parallel condition is offered in the general principle drawing. 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 4n02094n
41、0213, the measuring voltage is connected to 4n02144n0216, the protection voltage is 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 p
42、rotection, as well as the output contacts required for the status display and collection. 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
43、bus grouping parallelConnection illustration 3 small voltage bus redundancy parallel edundancy parallelConnection illustration 2 dual-bus voltage switching and parallelConnection illustration I dual-bus voltage switchingsimultaneous actionSame circuit disconnection Power disappearII bus isolation kn
44、ifeI bus isolation knifeII bus measureI bus measureII bus protection voltageI bus protection voltageInsulation knife locationFigure 3 general principle drawing of JFZ-30QAswitching parallel bo*JFZ-30Z switching paratactic bo* Figure 4 JFZ-30QA switching parallel bo* terminal drawingSwitchingE*itJFZ-
45、30Q switching paratactic bo*Figure 5 JFZ-30QA switching parallel bo* plug-in layout drawing. z.-4 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 th
46、e screen or relay is loose, fall off, disconnected and damaged before power is on4.3 Check and make sure that the e*ternal 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 packin
47、g; 5.2 Check whether the units qualification certificate, fitting document, attachment and spare part comply with the order requirement and whether they comply with the type, name and quantity regulated in the packing bill and are complete. 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 temperature is -10+40, the relative humidity is higher than 80%, the ambient air does include the erosive, combustible and e*plosive materials. When the dangerous materials ar
