GDCO-301 Online Monitoring System yeKutenderera Ikozvino paCable Sheath
Matambo ari pamusoro pe35kV anonyanya kuve tambo dze-single-core dzine sheath yesimbi.Sezvo simbi sheath yeimwe-musimboti tambo yakasungirirwa neiyo magineti tambo mutsara inogadzirwa neiyo AC ikozvino mumusimboti waya, iyo miviri migumo yeimwe-musimboti tambo ine yakakwira induced voltage.Naizvozvo, matanho akakodzera ekuisa pasi anofanirwa kutorwa kuchengetedza iyo induced voltage mukati meyakachengeteka voltage renji (kazhinji isingapfuuri 50V, asi isingapfuure 100V ine matanho ekuchengetedza).Kazhinji, iyo sheath yesimbi yemutsara mupfupi single-core tambo inodzika yakananga kune imwe mugumo uye yakadzikwa kuburikidza negap kana kudzivirira resistor kune imwe mugumo.Iyo simbi sheath yehurefu mutsara imwe - yepakati tambo yakadzikwa nematatu - chikamu segmental muchinjiko - yekubatanidza.Hazvina mhosva kuti ndeipi nzira yekugadzira pasi inogamuchirwa, yakanaka sheath insulation inodiwa.Kana kuvharirwa kwetambo kwakuvadzwa, sheath yesimbi inogadzikwa panzvimbo dzakawanda, iyo inoburitsa ikozvino inotenderera, kuwedzera kurasikirwa kwesheath, kukanganisa ikozvino kutakura tambo, uye kunyange kukonzera kuti tambo ipiswe. nekuda kwekupisa.Panguva imwecheteyo, vimbisa iyo yakakwira voltage tambo yesimbi sheath yekumisa yakananga saiti yakakosha zvakare, kana nzvimbo yepasi isingakwanise kudzika pasi nezvikonzero zvakasiyana, iyo tambo yesimbi sheath inogona inokwira zvakanyanya kusvika kune akati wandei kilovolts kunyange makumi ezviuru zvevolts. , zviri nyore kutungamira kune kunze sheath kuputsika uye kuenderera kunoramba kuchibuda, zvichikonzera kukwira kwekushisa kwetambo yekunze sheath kana kunyange kupisa.
GDCO-301 inoshandisa nzira yekutenderera ikozvino.Kana iyo single-core cable metal sheath iri pasi pezvakajairwa mamiriro (kureva, one-point grounding), inotenderera ikozvino pane sheath, kunyanya capacitive ikozvino, idiki kwazvo.Pane imwe nguva yakawanda-yevhu yevhu inoitika pane simbi sheath uye inoumba loop, kutenderera ikozvino kuchawedzera zvakanyanya uye kunogona kusvika kune inopfuura 90% yeiyo huru ikozvino.Chaiyo-nguva yekutarisa kwesimbi sheath kutenderera uye shanduko yayo inogona kuona pa-line yekutarisa kweakawanda-point pasi kukanganisa kwe-single-core cable simbi sheath, kuitira kuti uwane nenguva uye nemazvo kuwana kukanganisa kwenyika, kudzivirira zvakanyanya kuitika kwetsaona yetambo uye. chengetedza kushanda kwakachengeteka uye kwakavimbika.
Inoshandisa GSM kana RS485 senzira yekutaurirana.Iyo yakakodzera kune akawanda-point pasi kukanganisa kutariswa kwetambo imwe chete yepakati pamusoro pe35kV.
GDCO-301 Online Monitoring System Yekutenderera Ikozvino paCable Sheath inosanganisira: main unit ye integrated monitoring device uye yazvino transformer, tembiricha uye anti-kuba sensor.Iyo yakavhurika mhando yezvino transformer inoiswa pazasi mutsara wetambo sheath uye inoshandurwa kuita yechipiri chiratidzo chisati chaunzwa mudziyo wekutarisa.Iyo tembiricha sensor inoshandiswa kutarisa tembiricha yetambo, uye iyo anti-kuba sensor inoshandiswa kutarisa kutenderera kwepasi mutsara.Iko kuumbwa kweiyo yakazara online yekutarisa system yetambo sheath ndeiyi inotevera:
●Chaiyo-nguva yekutarisa yepasi ikozvino yechitatu phase cable sheath, iyo yakazara pasi ikozvino uye inoshanda ikozvino yechero chikamu chikuru tambo;
●Real-time monitoring yetatu-phase cable tembiricha;
●Real-time anti - yekuba yekutarisa tambo sheath grounding;
●Nguva yenguva inogona kuiswa;
●Alarm parameters uye kana inowirirana yekutarisa paramita inotenderwa kugadzira alarm inogona kusetwa;
●Seta iyo yakanyanya kukosha, hushoma kukosha uye avhareji kukosha munguva yakatarwa;
●Real-time monitoring yereshiyo yehukuru uye hushoma kukosha kweimwe-phase yepasi ikozvino mukati mehuwandu hwehuwandu, uye alarm processing;
●Real-time monitoring yereshiyo yepasi ikozvino kutakura mukati mehuwandu hwehuwandu, uye alarm processing;
●Real-time monitoring of the change rate of single-phase ground current in the statistical period, and alarm processing;
●Iyo data yekuyera inogona kutumirwa chero nguva.
●Inogona kutsanangura imwe kana akawanda ekutarisa paramita kune alarm, tumira alarm ruzivo kune yakasarudzwa nharembozha;
●Real-time kuyerwa kwemagetsi ekupinza;
●Yese data yekutarisa ine mavara enguva kuti ave nechokwadi chekusiyana kweiyo data;
●Yese ma sensors ekutarisa anogona kugadzirwa zvinoenderana nezvinodiwa nemushandisi;
●Multiple data transmission interfaces: RS485 interface, GPRS, GSM SMS, inogona kushandisa imwe kana kupfuura nzira dzekutumira data panguva imwe chete;
●Tsigira kure kuchengetedza uye kusimudzira;
●Yakaderera simba rekushandisa dhizaini, tsigira akasiyana emagetsi ekuisa: CT induction simba, AC-DC simba uye bhatiri simba;
●Nemaindasitiri egiredhi zvikamu, nekuvimbika kwakanaka & kugadzikana;
●Modular yakavharirwa zvizere chimiro, iri nyore kuisa, kukiya matanho anotorwa pamativi ese, yakanaka anti-vibration kuita, uye nyore kutsiva uye disassemble;
●Tsigira IP68 nhanho yekudzivirira.
| Item | Parameters | |
|
Current
| Operating current | 1 chiteshi, 0.5～1000A (Inogona kugadzirwa) |
| Sheath pasi ikozvino | 4 chiteshi, 0.5～200A (Inogona kugadzirwa) | |
| Kuyera kurongeka | ±(1%+0.2A) | |
| Kuyera nguva | 5～200s | |
|
Tembiricha | Range | -20 ℃～+180 ℃ |
| Kururama | ±1℃ | |
| Kuyera nguva | 10～200s | |
RS485 chiteshi
●Baud rate: 2400bps, 9600bps uye 19200bps inogona kuiswa.
●Kureba kwedata: 8 bit:
●Kutanga zvishoma: 1 bit;
●Stop bit: 1 bit;
●Calibration: hapana calibration;
GSM/GPRS chiteshi
●Kushanda nguva yakawanda: Quad-band, 850 MHz/900 MHz/1800 MHz/1900 MHz;
●GSM Chinese/English mameseji mapfupi;
●GPRS kirasi 10, Max.kurodha kumhanya 85.6 kbit/s, Max.kumhanyisa kumhanya 42.8 kbit/s, inotsigira TCP/IP, FTP uye HTTP protocol.
Magetsi
AC magetsi ekupa
●Voltage: 85 ~ 264VAC;
●Frequency: 47 ~ 63Hz;
●Simba: ≤8W
Bhatiri
●Magetsi: 6VDC
●Capacity: inotemerwa neinoenderera yekushanda nguva yebhatiri
●Battery kugarisana
| Electrostatic discharge immunity | Kirasi 4:GB/T 17626.2 |
| Radio-frequency electro-magnetic field radiation immunity | Kirasi 3:GB/T 17626.3 |
| Magetsi anokurumidza kupera / kuputika kusadzivirirwa | Kirasi 4:GB/T 17626.4 |
| Surge immunity | Kirasi 4:GB/T 17626.5 |
| Radio-frequency field inductive conduction immunity | Kirasi 3:GB/T 17626.6 |
| Simba frequency magnetic field immunity | Kirasi 5:GB/T 17626.8 |
| Pulse magnetic field immunity | Kirasi 5:GB/T 17626.9 |
| Damping oscillation magnetic field immunity | Kirasi 5:GB/T 17626.10 |
Reference standard:
Q/GDW 11223-2014: Tekinoroji Kutsanangurwa kwekuonekwa kwenyika kune yakakwira voltage cable mitsara
4.1 Cable state yekuona inogona kukamurwa kuita zvikamu zviviri: kuona online uye kuona pasina Indaneti.Iyo yekutanga inosanganisira infrared yekuona, pasi ikozvino kuona kwetambo sheath, chidimbu chekubuda, nepo iyo yekunze yekuona ine chikamu che discharge yekuona pasi pe variable frequency series resonant test, oscillation cable partial discharge diagnosis.
4.2 Cable state yekuona modhi dzinosanganisira general test pamwero mukuru, kuongororazve pane zvinofungidzirwa masaini, bvunzo yakanangana nemidziyo isina kunaka.Nenzira iyi, tambo yakajairika kushanda inogona kuvimbiswa.
4.3 Vashandi vanoongorora vanofanirwa kuenda kudzidziswa kwehunyanzvi hwekuona tambo uye kubata zvimwe zvitupa.
4.4 Chekutanga chinodiwa cheterminal infrared imager uye ground current detector tarisa kuAppendix A. Basic chinodiwa che high voltage partial discharge monitoring, ultra high voltage partial discharge diagnosis uye ultrasonic partial discharge detector kureva Q/GDW11224-2014.
4.5 Range yekushandiswa inoreva Tafura 1.
| Nzira | Voltage giredhi yetambo | Key yekuona nzvimbo | Kuremara | Online/isina Indaneti | Mashoko |
| Thermal infrared mufananidzo | 35kV uye pamusoro | Terminal, connector | Kusabatana kwakashata, kunyorova, kukanganisa kwekudzivirira | Online | Zvinomanikidzirwa |
| Metal sheath pasi ikozvino | 110kV uye pamusoro | Grounding system | Insulation kukanganisa | Online | Zvinomanikidzirwa |
| High frequency partial discharge | 110kV uye pamusoro | Terminal, connector | Insulation kukanganisa | Online | Zvinomanikidzirwa |
| Ultra high frequency partial discharge | 110kV uye pamusoro | Terminal, connector | Insulation kukanganisa | Online | Optional |
| Ultrasonic wave | 110kV uye pamusoro | Terminal, connector | Insulation kukanganisa | Online | Optional |
| Partial discharge under variable frequency series resonant test | 110kV uye pamusoro | Terminal, connector | Insulation kukanganisa | Offline | Zvinomanikidzirwa |
| OWTS oscillation tambo chidimbu kubuda | 35kV | Terminal, connector | Insulation kukanganisa | Offline | Zvinomanikidzirwa |
Tafura 1
| Voltage giredhi | Period | Mashoko |
| 110(66)kV | 1. Mukati memwedzi 1 mushure mekushanda kana kugadzirisa kukuru 2. Kamwe kwemamwe mwedzi mitatu 3. Kana zvichidiwa | 1. Nguva yekuona inofanira kupfupiswa kana paine mutoro unorema patambo dzetambo kana panguva yezhizha peak. 2. Kuongorora kunofanirwa kuitwa kakawanda zvichibva pane yakaipa nharaunda yebasa, midziyo yechinyakare, uye mudziyo usina kukwana. 3. Kugadziriswa kwakakodzera kunofanira kuitwa zvichienderana nemamiriro emidziyo uye nzvimbo yebasa. 4. Online monitoring system yepasi ikozvino pane cable sheath inogona kutsiva yayo yekurarama kuona. |
| 220kV | 1. Mukati memwedzi 1 mushure mekushanda kana kugadzirisa kukuru 2. Kamwe kwemamwe mwedzi mitatu 3. Kana zvichidiwa | |
| 500kV | 1. Mukati memwedzi 1 mushure mekushanda kana kugadzirisa kukuru 2. Kamwe kwemamwe mwedzi mitatu 3. Kana zvichidiwa |
Tafura 4
5.2.3 Diagnostic maitiro
Izvo zvinodikanwa kusanganisa mutoro wetambo uye isina kujairika yazvino maitiro etambo sheath ine kuyerwa data yetambo sheath.
Diagnostic maitiro inoreva Tafura 5.
| Test | Mhedzisiro | Mazano |
| Kana zvese zvinodiwa pasi apa zvasangana: 1. Kukosha kwakakwana kwepasi ikozvino＜50A; 2. Chiyero pakati pepasi ikozvino uye mutoro＜20%; 3. Max.value/ Min.kukosha kwe single phase ground current＜3 | Normal | Shanda semazuva ese |
| Kana chero chinodikanwa chiri pasi apa chikazadziswa: 1. 50A≤kukosha kwakakwana kwepasi ikozvino ≤100A; 2. 20%≤chiyero pakati pepasi ikozvino uye mutoro ≤50%; 3. 3≤Max.kukosha/Mini.kukosha kwechikamu chimwe chete pasi ikozvino≤5; | Kuchenjerera | Simbisa kutarisa uye kupfupisa nguva yekuona |
| Kana chero chinodikanwa chiri pasi apa chikazadziswa: 1. Kukosha kwakakwana kwepasi ikozvino＞100A; 2. Chiyero chepasi ikozvino uye mutoro＞50%; 3. Max.kukosha/Mini.kukosha kwe single phase ground current＞5 | Kuremara | Kudzima uye tarisa. |
Tafura 5
