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1、!-电气试验 Electric Test1. 电气试验常规要求 General Requirements1) 电气预防性的试验严格按规范、产品说明书要求执行。Electric preventive test shall be carried out in accordance with criterion andproductspecification strictly.2) 组合式微机保护及监控继电器按产品说明书进行整定。Adjust combined micro-computer protection and monitoring relay3) 常规的电磁式继电器调试按新编保护继电器检验
2、中有关规定进行调试。The normal electromagnetic relay commissioning shall comply with the stipulations ofNewProtection Relay Test.4) 盘(柜 )指示电表经校验后,对合格的电表粘贴专用合格证。After calibration of the panel (cabinet) indicative ammeter, paste special quality certificateon the qualified ammeter.5) 高压开关柜的传动试验在各电气元件及单体柜调试后进行。传动
3、试验时, 认真核对各回路的准确及可靠性。主要传动试验项目:High pressure switchboard transmission test shall be carried out after electrical element andindividual cabinet commissioning. Check the loops accuracy and liability during transmissiontest. The main transmission project :操作控制回路传动试验;Operation Control Loop Transmission Te
4、st保护回路传动试验;Loop Protection Transmission Test测量 /计量回路试验;Measure/Recording Loop Test系统低电压、断线保护试验;System Low Pressure, Cable break protection test核对一、二次相位;Check 1st and 2nd phase2. 变压器试验 Transformer Test1)测量绕组连同套管的直流电阻,测量应在各分接头所有位置上进行;Measure wi ndi ng and sleeve DC resista nee of all the connection jo
5、i nts.2)对1600kVA及以下三相变压器, 各相测得值的相互差值应小于平均值的4%,线间测得值的相互差值应小于平均值的2%; 1600kVA以上的三相变压器,各相测得值的相互差值应小于平均值的 2%,线间测得值的相互差值应小于平均值的1% ; 1600kVA以上的三相变压器,各相测得值的相互差值应小于平均值的2%,线间测得值的相互差值应小于平均值的1%;(重复)三相电阻不平衡率计算Three Phase Tran sformer of 1600Kva and the less, the measured value's differenee shall be4% less th
6、a n the average, intern al li nes measured value shall be 2% less tha n the average.Three Phase Transformer of above 1600kVA, the measured value diferenee shall be 2%less tha n the average, intern al li nes measured value shall be 1% less tha n the average, ThreePhase resista nceUn bala nee Rate cal
7、culati on formula:不平衡率三相实测最术平均值最小值100%三相算术平均值Measured Max-MinUn bala need Rate=100%Average3)直阻测量方法:DC Resista nee Measure Method用感性负载速测欧姆计测量绕组直流电阻时,其接线及测量方法应符合测试仪器的技术要求。Whe n measuri ng winding DC resista nee by sen sibility load ohmmeter, the connection andthe measure method shall com ply with equi
8、pment tech ni cal requireme nts.4)变压器的直流电阻,与同温下产品出厂实测数值比较,相应变化不应大于2%;将不同温度下的绕组直流电阻温度换算到同一温度:DC resista nee of tran sformer, comp ared with measured value of p roduct by manu facturerun der same temp erature, the corres ponding cha nge shall be not more tha n 2%, convert thewi nding DC resista nee un
9、 der differe nt temp erature into the same temp erature.RxRaTtxTta(式中:Rx -换算至温度为tx时的电阻; Ra-温度为ta时所测得的电阻;T-温度 换算系数,铜线为235,铝线为225; tx-需要换算Rx的温度;ta-测量Ra时的温(convert Rx in to the resista nee un der temp erature of tx, Ra is resista nee un der temp erature of ta, T is temp erature convert coefficie nt, co
10、pper line is 235, alu minum is 225, tx is the temp erature of Rx to con vert, ta is temp erature of measuri ng Ra )5)由于变压器结构等原因,差值超过本条第款时,可只按本条第款进行比较。Cause of tran sformer structure, the differe nee is moretha n clause 2, comply with clause 4only.且符合变比6)检查所有分接头的变压比变压比与制造厂名牌数据相比应无明显差别,的规律。额定分接的变压比允许偏
11、差为±).5%,其它分接的偏差应在变压器阻抗值(%)的1/10以内,但不超过 1%。Check all connection joints transforming ratio, which shall be no distinet differeneecomp ared with the date of manu facturer brand and comp ly with the tran sform ing rule. Rated tap tran sform ing ratio allowable differe nee is 0.5%, others sh±l
12、with in 1/10 of tran sformerresista nee (%), but not more tha n 1%.7)检查三相变压器的结线组别和单相变压器引出线的极性Check three p hase tran sformer wire series and po larity of si ngle p hase tran sformer out putwire.8)测量绕组连同套管的绝缘电阻Measure the in sulati on resista nee of wi ndi ng and sleeve.a)绝缘电阻值不应低于出厂试验值的70%。In sulati
13、 on resista nee shall be not less tha n 70% of leave factory testi ng value.b)当测量温度与产品出厂试验时温度不符合时,可按下表换算到同一温度时的数值进行比较:If any unconformity between measured temperature and leaving factorytest ing temp erature, convert into same temp erature accord ing below table and compare:温度差Temp eratureDiffere ne
14、eK51015202530354045505560换算系数ConvertingA1.21.51.82.32.83.44.15.16.27.59.211.2Coefficie nt(注:表中K为实测温度减去20C的绝对值)(Remark: K is the absolute value of measured temperature minus 20 °C )c) 当测量绝缘电阻的温度差不是表中所列数值时,其换算系数按下列公式计算: whentemperature difference of measuring insulation resistance value can not b
15、e found in the above table, the converting formula is :A=1.5K/10当实测温度为 20 C以上时: When measured temp erature is above 20CR20=AR t当实测温度为 20 C以下时: When measured temp erature is below 20 CR20=Rt/A(式中:R20-校正到20C时的绝缘电阻值;Rt-在测量温度下的绝缘电阻值 )(R20- revise to absolute value of 20C , Rt- is the absolute resistance
16、 vale undermeasuring temperature)9) 交流耐压试验 AC Withstand V oltage Test根据制造厂提供的技术资料及业主的要求决定是否进行该项试验;如进行该项manufacturer and Client试验需制造厂提供试验电压值。 In accordance with the technical documents provided by's requirements to determine whether to carry out the test, if do it,the manufacture should provide t
17、est voltage value.a)试验电压的频率为 50Hz,电压波形应尽可能接近正弦波形。The testing voltage frequency is 50Hz, voltage wave form better be sine wave.b) 进行交流耐压时 ,非被试侧绕组应短接后接地。Carry out AC withstand voltage test, the un-test side of the winding resistance should beearthed.10) 测量与铁芯绝缘的各紧固件的绝缘电阻measure the resistance of iron
18、coreinsulation fastening warea) 应测量可接触到的穿芯螺栓、轭铁夹件及绑扎钢带对铁轭、铁芯及绕组压环的绝缘电阻;Measure the touchable penetration bolt, yoke clamp, steel banding yoke, steel core andwinding ring insulation resistance.b) 采用 2500V 兆欧表测量,持续时间为 1 分钟,应无闪络及击穿现象;measuring with 2500 ohmmeter, tine last 1minute, no flashover, no bre
19、akdown.c) 当轭铁梁及穿芯螺栓一端与铁芯相连时,应将连接片断开后进行试验;When one side of yoke beams and penetration bolts connected with the core, carry out Test after disconnecting the clips.11) 冲击合闸试验 Impact Closing Test在额定电压下对变压器进行冲击合闸试验 ,应进行 5次,每次间隔宜为 5 分钟,无异常现象。冲击合闸试验宜在变压器高压侧进行;对中性点接地的电力系统,冲击 试验时变压器的中性点必须接地; 发电机变压器组中间连接无操作断开
20、点的变压器, 可不进行冲击合闸试验。Carry out impact closing test under rated voltage for 5 times every 5 minus, thereshould be no abnormal phenomenon. Impact closing test shall carry out at high pressure side of transformer. The neutral point must be grounded for power system with neutral grounding. No impact closin
21、g test is acceptable for the generator transformer assembly without operation disconnection point.12) 检查相位 Phase Check检查变压器的相位必须与系统相位一致。Confirm the transformer and the system phase must be consistent.3.电缆试验 Cable Test1)绝缘测试 Insulation Testa) 测量电缆对地或对金属屏蔽层间和各线芯间的绝缘电阻。Measure the insulation resistance
22、 of cable to ground or iron shielded layer and cores.b) 对 1kV 以上电缆采用 2500V 兆欧表。Use 2500V Megohmmeter to test cable of above 1kVc) 对 0.6/1kV 及以下电缆采用 1000V 兆欧表。Use 1000V Megohmmeter to test cable of 0.6/1Kv and below.2)直流耐压及泄漏电流测量 DC Voltage Endurance and DC Leaking Measuring(塑料绝缘电缆包括聚氯乙烯绝缘电缆、聚乙烯绝缘电缆及
23、交联聚乙烯绝缘电缆。 聚氯乙烯绝缘电缆产品型号有VV 、VLV 等;聚乙烯绝缘及交联聚乙烯绝缘电缆 的产品型号有 YJV 及 YJLV 等。 )Plastic insulation cable including PVC insulation cable, polyethylene insulation cable and cross-linked polyethylene insulation cable电缆额定电压(U 0)Cable Rated Voltage直流试验电压DC Test Voltage试验时间(min)TestingTime3.6kV15kV156kV24kV158.7k
24、V35kV15测量时应消除杂电流的影响。3)试验时,试验电压可分 46阶段均匀升压,每阶段停留1min,并读取泄漏电流值。During testi ng, the test voltage can be divided into 4-6 ste ps to in crease voltage uniformly.each ste p lasts 1 min, and read leakage curre nt value. Elim in ate the miscella neous curre nt in flue nee duri ng measuri ng.4)对额定电压为0.6/1kV
25、的电缆可用1000V或2500V兆欧表测量导体对地绝缘电阻代替直流耐压试验。0.6/1kV cable, use 1000V or 2500V Megohmmeter to measure the resista nee of con ductor toearth in sulati on resista nee in stead of DC voltage en dura nee test.5)交流单芯电缆的护层绝缘试验标准,按产品技术条件的规定进行。AC sin gle core cable p rotect ion layer test sta ndard should be accor
26、d ing to tech no logycon diti on.6)电缆主绝缘交流耐压试验Cable main in sulation AC voltage en dura nee test试验电压:2U0 ;持续时间:60min (U0:电缆额定相电压)。Test voltage: 2UO, last ing time: 60min (UO: cable rated voltage)7)按产品技术条件的规定决定进行直流耐压及泄漏电流测量或是进行电缆主绝缘交流耐压试验。Carry out DC voltage en dura nee and leakage curre nt measure
27、or cable main in sulatio n ACvoltage test accord ing p roduct tech no logy terms and con diti on st ipu lati on.8)相位检查 P hase Check电缆接线相序与系统相位一致。Cable connection order is same with system p hase4.交流电机试验 AC Gen erator Test1)测量绕组的绝缘电阻,使用500V兆欧表,常温下绝缘电阻值不应低于0.5;额定,转子resista nee value电压为1kV及以上,在运行温度时的绝缘
28、电阻值定子绕组不低于每千伏绕组不应低于每千伏0.5。Measure wi ndi ng in sulati on resista nee, use 500v Megohmmeter, in sulati onvoltage is above 1kV,shall not less than 0.5under normal temperature. Ratedin sulati on resista nee value stator winding is not less tha n 1/kVunder operationtemp erature, stator winding resista n
29、ee shall not be less tha n 0.5/Kv.2) 100kW以上的电动机各相绕组直流电阻值相互差别不应超过其最小值的未引出的电动机可测量线间直流电阻,其相互差别不应超过最小值的2%,中性点1%。测量时应记录环境温度,以便与出厂试验值相比较。Above 100kW motor, each winding DC resista nee value differe nee shall be not exceed 2% of the minimum, without out put n eutral point of the motor, measure the DC resi
30、sta nee betwee n the lines, their mutual differences should not exceed 1% of the minimum. Record the ambient temp erature whe n measuri ng in order to compare with factory exp erime ntal data.不平衡率三相实测最大值值最小值100%二相最小值3 P hase measured max value-min valueUn bala need value=x100%3p hase min3)检查定子绕组的极性及
31、其连接应正确。中性点未引出者可不检查极性。Check the po larity of the stator windings and conn ecti ons. There can be no check ing if the out put n eutral point is not available.4)对于备用发电机的试验,依据制造厂提供的试验项目及标准进行试验。Test for Stan dby gen erators, accord ing to the test item and sta ndards p rovided manu faeturer.5.继电器调试 Relay
32、 Commissio ning1)调试前,应保证继电器对试验电源的要求。电源的波形应为正弦波,谐波分量不超过基波的5%。试验电源的频率应为50Hz。当试验电源频率对继电器影响较大时应考虑频率的正、负偏差对试验数据的影响,应对试验数据进行修正。当使用直流电源试验时,电源的波纹系数要小。一般情况下,波纹系数K > 1%。Before commissioning, ensure relay meets test power requirements. Power should besinu soidal wave form, the fun dame ntal wave does not ex
33、ceed 5% of harm onic wave. Thefreque ncy of test po wer should be 50 Hz. When the test freque ncy of po wer have greatin flue nee on relays, po sitive and n egative deviati on of the test data should be con sidered,and ame nd test data. Whe n using DC po wer for test, the corrugated coefficie nt is
34、smaller.gen erally, corrugated coefficie nt K > 1%.2)使用标准仪表的精度不低于0.5级。Using sta ndard in strume nt p recisi on is not lower tha n 0.50.5 级。3) 使用专用仪器进行调试时,专用仪器上的电表精度不低于Using specialized instrument for commissioning, the instrument ammeter accuracy is not lessthan 0.5.4) 继电器外壳应清洁无灰尘。外壳、玻璃应完整,嵌接要良好。
35、外壳与底座结合应紧 密牢固,防尘密封应良好,安装端正。继电器端子接线应牢固可靠。Relay shell should be elean. Shell, glass should be eomplete, embedded is good. Shell should be elosely eombined with the base, dust-proteetion seal should be good, eorreet installation. Relay terminal bloek should be solid and reliable.5) 继电器内部应清洁、接线牢固、各部件完好,
36、动作灵活、可靠。The relay inner part shall be clean, connection solid, all part is perfect, flexible and liable6) 继电器的接点检查: 应保证接点接触良好、 无抖动、 粘住或出现火花等异常现象,Relay eontaet point inspeetion: ensure eontaet point is good, jitter-free, no stiek and spark abnormal phenomenon, and suffieient pressure.7) 电磁式继电器其动作值应测量
37、继电器的冲击动作值。然后平稳下降测量继电器的返 回值。 对于欠量动作的继电器应将继电器升到额定值, 然后平稳下降至动作值。 组合式继电器按制造厂商提供的技术资料中要求进行调试。Eleetromagnetie有足够的压力。电子 relay operating value shall be the impaet operating value. Then steady deeline measuring the return value of measuring relays. Inerease the value to rated for the unreaehed, and then deer
38、ease steadily to operating value. Commission the eleetronie eombined Relay aeeording to teehnieal information provided by manufaeturers.8) 检查电磁式继电器的动作、返回值及返回系数应符合产品技术要求。Check Electromagnetic relay operation, return value and return coefficient shall comply with product technology requirement.9) 复核继电
39、器的动作值。Re-check relay operation value.10) 校核、调整热继电器的设定值,其动作值应符合被保护设备的容量。Check and commission set value of thermal relay, the operation value shall comply with the capacity of protected equipment.11) 绝缘电阻的测定:额定电压为 100V 及以上者,使用 1000V 兆欧表;额定电压为 100V 以下者,使用500V兆欧表。端子对底座和磁导体的绝缘电阻应大于50MQ。各线圈对触点及各触点间的绝缘电阻应大
40、于50MQ。各线圈间的绝缘电阻应大于10MQ。由电子元、器件组成的综合继电器不进行绝缘电阻的测定。Insulation Resistanee meauring: rated voltage of 100 V and above, use of 1000 V Megohmmeter; rated voltage below 100 V, use 500 V Megohmmeter. The loop eontaet point and eaeh eontaet point insulation resistanee should be more than 50 MQ . The eoil and
41、 eontaets on the eontaets between the insulation resistanee should be more than 50MQ . Between thein sulati on resista nee should be greater tha n 10 MQ .No measure to in sulati on resista neecomprehensive relay composed of electronic device.12) 电磁式继电器进行冲击试验: 电压型继电器其冲击电压应为该继电器额定电压的倍;电流型继电器其冲击电流应为保护安
42、装处最大故障电流。冲击试验时,接点不's voltage is应产生振动和鸟啄现象。Impact test to electromagnetic relay: the impact voltage of voltage relay times of its rated voltage, impact current of current relays should be the Max fault current of the protection installed place. During impact test, no vibration and bird pecking ph
43、enomenon at contact point.13) 主变压器保护装置、测控装置等各种类型的自动保护装置的调试方法和调试接线,按厂商提供的产品技术资料进行调试。Main transformer protective device, detective device etc, all self-protective device commissioning method and commissioning contact shall comply with technology information provided by manufacturer.14) 对多功能综合保护继电器的数码显
44、示部分应完好,刻度清晰、准确。Multi-functional comprehensive protective relay digital display part shall be perfect, Calibration clear and accurate.15) 按产品的技术性能,输入相应的参数值,检验其功能是否符合产品的技术标准。Input parameter values according to product technology performance, check if the functions comply with technology standard.16) 按
45、设计的整定值,检验继电器实际动作值。Check actual operation value of the relay according to set value.17) 对过量参数值由低值逐渐升至动作值,欠量参数值由额定值降至动作值。Excessive parameters, increase gradually from low value to operation value, less of parameter values decrease from rated value to operation value.18) 在未采取可靠的措施前,不得触摸继电器内部电路板,以免静电损坏电
46、路板。Before no reliable measures taken, forbid to touch the internal circuit boards to prevent any damage.6. 传动试验 Transmission Test1) 主变压器进线开关、隔离开关、接地开关分、合闸操作;Main transformer input switch, isolation switch, earthing switch turn on/off operation;MCC system turn on/off operation;2) MCC (电动机控制中心)系统分、合闸操
47、作;3) 变压器保护等动作跳闸及信号的传动试验;Transformer protection trip and signaltransmission test;MCC wire cabinet4) MCC (电动机控制中心)馈线柜动作跳闸及信号的传动试验;protection trip and signal transmission test;5)备用电源自投的传动试验; Spare power independent transmission test;6)测量、计量回路的传动试验及其它传动试验; Measuring and recording loop transmissiontest a
48、nd other transmission test;9)上述传动试验应准确、可靠;二次回路绝缘良好。Above transmission tests should beaccurate and reliable; loop should be well isolated.7.UPS (不间断电源)调试 UPS Commissionings technical1)UPS (不间断电源)装置主机按制造厂技术资料要求进行调试。The commissioning of UPS mainframe should be according to Manufacturerspecification doc
49、uments.2)UPS (不间断电源)装置蓄电池绝缘电阻应符合产品技术条件,并按制造厂技术条件进行充放电;充电电压应符合产品技术条件。10 小时放电应达到100%放电率。Storage battery isolation resistance of the UPS should comply with technical specificationand should be discharged accordingly; charge voltage should comply with technicalspecification. 10-hour discharge should rea
50、ch 100% discharging rate.8. 电气受、送电 Electric Apparatus Receiving and Supplying Power1) 电气受、送电,遵循先高压 (电源)侧后低压 (负荷)侧,断电时,先断低压侧 (负荷)侧,后高压 (电源)侧。 Receiving and supplying power should be from high voltage side andthen lower side; breaking power should be from lower voltage side and then higher.All the swi
51、tches2) 为保证安全在变压器受电前将盘柜内所有开关置于断开位置should be kept Off before receiving power in order to guarantee the safety.3) 在额定电压下对变压器冲击试验 5 次,每次间隔时间为 5min ,无异常现象 Carry outvoltage, there should be no abnormalimpacting test 5 times every 5 min under ratingsituations.4) 两段受电后,在母联柜母联开关一、二次核相。After second phase receiving, checkbusbar switch phase.5)进行并列运行及进线柜、母联柜联锁试验Carry
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