GDCO-301 Online Monitoring System ea Potoloho ea Hona Joale ka Cable Sheath
Lithapo tse kaholimo ho 35kV ke lithapo tsa mantlha tse nang le sheath ea tšepe.Kaha sheath ea tšepe ea thapo e le 'ngoe e hokahane le mohala oa matla a khoheli o hlahisoang ke AC hajoale terata ea mantlha, lipheletso tse peli tsa thapo e le 'ngoe li na le motlakase o phahameng.Ka hona, mehato e nepahetseng ea motheo e lokela ho nkoa ho boloka motlakase o kentsoeng ka har'a marang-rang a sireletsehileng (hangata ha a fete 50V, empa eseng ho feta 100V ka mehato ea tšireletso).Hangata, sheath ea tšepe ea mohala o mokhuts'oane oa thapo e le 'ngoe e theoa ka kotloloho pheletsong e' ngoe ebe e theoa ka lekhalo kapa sehanyetsi sa tšireletso pheletsong e 'ngoe.Sekhahla sa tšepe sa mohala o molelele o le mong - thapo ea mantlha e thehiloe ke khokahano ea likarolo tse tharo.Ho sa tsotellehe hore na ke mofuta ofe oa mokhoa oa ho theola mobu o amoheloang, ho hlokahala hore ho behoe sheath e ntle.Ha insulation ea cable e senyehile, sheath ea tšepe e tla theoa lintlheng tse ngata, e leng ho tla hlahisa hona joale ho potoloha, ho eketsa tahlehelo ea sheath, ho ama bokhoni ba hona joale ba mohala, esita le ho etsa hore thapo e chesoe. ka baka la mocheso o feteletseng.Ka nako e ts'oanang, tiisetso ea hore mocheso o phahameng oa motlakase oa tšepe oa tšepe o kopanya sebaka ka ho toba ke oa bohlokoa haholo, haeba sebaka sa fatše se ke ke sa theoa ka mabaka a sa tšoaneng, bokhoni ba tšepe ea tšepe bo tla nyoloha ka matla ho li-kilovolts tse 'maloa esita le mashome a likete a volts. , ho bonolo ho lebisa ho senyeha ha sheath e ka ntle le ho tsoa ho sa khaotseng, ho bakang ho phahama ha mocheso oa cable ka ntle ho sheath kapa esita le ho chesa.
GDCO-301 e sebelisa mokhoa oa ho potoloha ha joale.Ha sheath ea tšepe e le 'ngoe ea mantlha e le tlas'a maemo a tloaelehileng (ke hore, ntlha e le' ngoe ea motheo), e potolohang hona joale holim'a sheath, haholo-holo capacitive hona joale, e nyenyane haholo.Hang ha li-multi-point earthing li etsahala ka har'a sheath ea tšepe 'me li etsa loop, hona joale ho potoloha ho tla eketseha haholo' me ho ka fihla ho feta 90% ea motlakase o moholo.Tlhokomelo ea nako ea 'nete ea ho potoloha ha sheath ea tšepe le liphetoho tsa eona e ka hlokomela ho lekola marang-rang ha phoso ea lefats'e e nang le lintlha tse ngata tsa tšepe ea tšepe e le 'ngoe, e le hore ka nako le ka nepo ho fumane phoso ea lefats'e, ho qoba ho hlaha ha kotsi ea cable le netefatsa ts'ebetso e bolokehileng le e tšepahalang.
E sebelisa GSM kapa RS485 joalo ka mokhoa oa puisano.E loketse ho lekola liphoso tsa fatše tse nang le lintlha tse ngata tsa mehala ea mantlha e le 'ngoe ka holimo ho 35kV.
GDCO-301 Online Monitoring System ea Potoloho ea Hona Joale ho Cable Sheath e kenyelletsa: yuniti e ka sehloohong ea sesebelisoa se kopantsoeng sa ho shebella le transformer ea hona joale, mocheso le sensor e khahlanong le bosholu.Mofuta o bulehileng oa phetoho ea hona joale e kenngoa moleng oa fatše oa sheath ea cable 'me e fetoloa letšoao la bobeli pele sesebelisoa sa ho shebella se hlahisoa.Sensor ea mocheso e sebelisetsoa ho shebella mocheso oa cable, 'me mochine o thibelang bosholu o sebelisetsoa ho shebella moeli oa ho potoloha ha mobu.Sebopeho sa sistimi e felletseng ea ho lekola marang-rang ea cable sheath ke e latelang:
●Tlhokomelo ea nako ea 'nete ea motlakase oa fatše oa sheath ea cable ea mekhahlelo e meraro, motlakase oa fatše le motlakase oa ts'ebetso ea mohala ofe kapa ofe o moholo oa mohato;
●Tlhokomelo ea nako ea sebele ea mocheso oa cable oa mekhahlelo e meraro;
●Tlhokomelo ea nako ea 'nete e khahlanong le bosholu ea ho theola cable sheath;
●Nako ea nako e ka behoa;
●Mekhahlelo ea alamo le hore na li-parameter tse lumellanang tsa ho shebella li lumelloa ho hlahisa alamo li ka behoa;
●Beha boleng bo phahameng, boleng ba bonyane le boleng ba karolelano nakong e behiloeng esale pele;
●Tlhokomelo ea nako ea sebele ea karo-karolelano ea boholo le bonyane ba boleng ba boemo bo le bong ba mobu nakong ea lipalo-palo, le ts'ebetso ea alamo;
●Tlhokomelo ea nako ea sebele ea karo-karolelano ea mobu oa fatše ho laela ka nako ea lipalo-palo, le ts'ebetso ea alamo;
●Tlhokomelo ea nako ea sebele ea tekanyo ea phetoho ea boemo bo le bong ka nako ea nako ea lipalo-palo, le ts'ebetso ea alamo;
●Lintlha tsa tekanyo li ka romelloa neng kapa neng.
●E ka hlakisa paramente e le 'ngoe kapa ho feta ho alamo, ho romella tlhahisoleseling ho mohala o khethiloeng oa mohala;
●Tekanyo ea nako ea sebele ea motlakase o kenang;
●Lintlha tsohle tsa ho beha leihlo li na le li-label tsa nako ho netefatsa bo ikhethang ba data;
●Li-sensor tsohle tsa ho beha leihlo li ka hlophisoa ho latela litlhoko tsa mosebelisi;
●Mekhoa e mengata ea phetisetso ea data: RS485 interface, GPRS, GSM SMS, e ka sebelisa mokhoa o le mong kapa ho feta oa ho fetisetsa data ka nako e le 'ngoe;
●Ts'ehetsa tlhokomelo e hole le ntlafatso;
●Moqapi oa tšebeliso ea matla a tlaase, o tšehetsa mefuta e fapaneng ea ho kenya matla: matla a ho kenya CT, matla a AC-DC le matla a betri;
●Ka likarolo tsa sehlopha sa liindasteri, tse nang le ts'epahalo e ntle & botsitso;
●Sebopeho sa modular se koetsoeng ka botlalo, ho bonolo ho se kenya, mehato ea ho notlela e nkuoa likarolong tsohle, ts'ebetso e ntle ea anti-vibration, 'me ho bonolo ho e nkela sebaka le ho e qhaqha;
●Ts'ehetsa boemo ba ts'ireletso ea IP68.
| Ntho | Mekhahlelo | |
|
Hona joale
| Ts'ebetso ea hona joale | 1 kanale, 0.5～1000A (E ka etsoa ka mokhoa o ikhethileng) |
| Sheath fatše hona joale | 4 mocha, 0.5～200A (E ka etsoa ka mokhoa o ikhethileng) | |
| Ho nepahala ha tekanyo | ±(1%+0.2A) | |
| Nako ea ho lekanya | 5～200s | |
|
Mocheso | Range | -20 ℃～+180 ℃ |
| Ho nepahala | ±1℃ | |
| Nako ea ho lekanya | 10～200s | |
Boema-kepe ba RS485
●Sekhahla sa Baud: 2400bps, 9600bps le 19200bps e ka behoa.
●Bolelele ba data: 8 bit:
●Qala hanyane: 1 hanyane;
●Emisa hanyane: 1 hanyane;
●Calibration: ha ho calibration;
Boema-kepe ba GSM/GPRS
●Nako ea ho sebetsa: Quad-band, 850 MHz / 900 MHz / 1800 MHz / 1900 MHz;
●Melaetsa e khuts'oane ea Sechaena / Senyesemane ea GSM;
●GPRS sehlopha sa 10, Max.download lebelo 85.6 kbit/s, Max.lebelo la ho kenya 42.8 kbit/s, ts'ehetso ea TCP/IP, FTP le protocol ea HTTP.
Phepelo ea motlakase
Phepelo ea motlakase ea AC
●Motlakase: 85 ~ 264VAC;
●Hangata: 47 ~ 63Hz;
●Matla: ≤8W
Betri
●Matla: 6VDC
●Capacity: e khethoa ke nako e tsoelang pele ea ho sebetsa ea betri
●Tšebelisano le betri
| Electrostatic discharge immune immune | Sehlopha sa 4:GB/T 17626.2 |
| Radio-frequency electro-magnetic field radiation immune immune | Sehlopha sa 3:GB/T 17626.3 |
| Motlakase o potlakileng oa ho itšireletsa ka nakoana / o phatlohileng | Sehlopha sa 4:GB/T 17626.4 |
| Ho itšireletsa mafung | Sehlopha sa 4:GB/T 17626.5 |
| Radio-frequency field inductive conduction immune immune | Sehlopha sa 3:GB/T 17626.6 |
| Matla a frequency magnetic field immune immune | Sehlopha sa 5:GB/T 17626.8 |
| Pulse magnetic field immune immune | Sehlopha sa 5:GB/T 17626.9 |
| Damping oscillation magnetic field immune immune | Sehlopha sa 5:GB/T 17626.10 |
Reference standard:
Q/GDW 11223-2014: Tlhaloso ea Tekheniki bakeng sa ho lemoha boemo bakeng sa likhoele tse phahameng tsa motlakase
4.1 Ho lemoha boemo ba cable ho ka aroloa ka mekhahlelo e 'meli: ho lemoha marang-rang le ho fumanoa ntle le marang-rang.Ea pele e kenyelletsa ho lemoha ha infrared, ho lemoha ha joale ha mochine oa cable, ho fumanoa ha karolo e itseng ea ho tsoa, ha ho fumanoa ka ntle ho marang-rang ho na le karolo ea ho lemoha ho tsoa tlas'a tlhahlobo ea maqhubu a resonant, oscillation cable partial discharge discovery.
4.2 Mekhoa ea ho lemoha boemo ba cable e kenyelletsa tlhahlobo e akaretsang ka tekanyo e kholo, ho hlahloba hape matšoao a belaelloang, tlhahlobo e lebisitsoeng ho thepa e fosahetseng.Ka tsela ena, ts'ebetso e tloaelehileng ea cable e ka tiisetsoa.
4.3 Basebeletsi ba tlhahlobo ba lokela ho ba teng thupelong ea botekgeniki ea ho lemoha lithapo le ho tšoara litifikeiti tse itseng.
4.4 Tlhokahalo ea mantlha ea sets'oants'o sa "terminal infrared imager" le "ground current detector" li bua ka Sehlomathiso sa A. Tlhokahalo ea mantlha ea ho bona hore ho na le matla a phahameng a motlakase a sa fellang, tšibollo ea ho ntša metsi ka matla a phahameng a motlakase le mochine oa ultrasonic partial discharge detector refer to Q/GDW11224-2014.
4.5 Mefuta e fapaneng ea ts'ebeliso e bua ka Lethathamo la 1.
| Mokhoa | Mokhahlelo oa motlakase oa cable | Ntlha ea bohlokoa ea ho lemoha | Sekoli | Marang-rang/ntle le marang-rang | Litlhaloso |
| Setšoantšo sa infrared se futhumetseng | 35kV le ho feta | Terminal, sehokelo | Khokahano e fosahetseng, e kolobisitsoeng, bofokoli ba ho kenya letsoho | Marang-rang | Tlamahane |
| Metal sheath fatše hona joale | 110kV le ho feta | Sistimi ea fatše | Phoso ea insulation | Marang-rang | Tlamahane |
| Phallo e phahameng ea maqhubu | 110kV le ho feta | Terminal, sehokelo | Phoso ea insulation | Marang-rang | Tlamahane |
| Phokotso e sa fellang e phahameng haholo | 110kV le ho feta | Terminal, sehokelo | Phoso ea insulation | Marang-rang | Taba ea boikhethelo |
| Leqhubu la Ultrasonic | 110kV le ho feta | Terminal, sehokelo | Phoso ea insulation | Marang-rang | Taba ea boikhethelo |
| Phokotso e sa fellang tlas'a tlhahlobo e fapaneng ea maqhubu a resonant | 110kV le ho feta | Terminal, sehokelo | Phoso ea insulation | Offline | Tlamahane |
| OWTS oscillation cable discharge partial discharge | 35kV | Terminal, sehokelo | Phoso ea insulation | Offline | Tlamahane |
Lethathamo la 1
| Boemo ba motlakase | Nako | Litlhaloso |
| 110(66)kV | 1. Nakong ea khoeli ea 1 ka mor'a ts'ebetso kapa tokiso e kholo 2. Hang bakeng sa likhoeli tse ling tse 3 3. Haeba ho hlokahala | 1. Nako ea ho lemoha e lokela ho khutsufatsoa ha ho e-na le mojaro o boima meleng ea lithapo kapa nakong ea tlhōrō ea lehlabula. 2. Ho sibolloa ho lokela ho etsoa khafetsa ho ipapisitsoe le tikoloho e mpe ea mosebetsi, lisebelisoa tse siiloeng ke nako, le sesebelisoa se nang le bothata. 3. Litokiso tse nepahetseng li lokela ho etsoa ho latela maemo a thepa le tikoloho ea mosebetsi. 4. Sistimi ea ho lekola marang-rang ea matla a fatše holim'a cable sheath e ka nkela sebaka sa eona sa ho lemoha. |
| 220kV | 1. Nakong ea khoeli ea 1 ka mor'a ts'ebetso kapa tokiso e kholo 2. Hang bakeng sa likhoeli tse ling tse 3 3. Haeba ho hlokahala | |
| 500kV | 1. Nakong ea khoeli ea 1 ka mor'a ts'ebetso kapa tokiso e kholo 2. Hang bakeng sa likhoeli tse ling tse 3 3. Haeba ho hlokahala |
Lethathamo la 4
5.2.3 Mekhoa ea ho hlahloba
Hoa hlokahala ho kopanya mojaro oa cable le mokhoa o sa tloaelehang oa hona joale oa sheath ea cable le data ea tekanyo ea cable sheath.
Mekhoa ea ho hlahloba e bua ka Lethathamo la 5.
| Teko | Sephetho | Keletso |
| Haeba litlhoko tsohle tse ka tlase li fihletsoe: 1. Boleng bo feletseng ba motlakase oa fatše＜50A; 2. Karo-karolelano pakeng tsa hona joale fatše le mojaro＜20%; 3. Max.value/ Mets.boleng ba sebaka se le seng sa lefatše＜3 | Tloaelehileng | Sebetsa joalo ka tloaelo |
| Haeba tlhokahalo efe kapa efe e ka tlase e finyelloa: 1. 50A≤ boleng bo feletseng ba fatše hona joale ≤100A; 2. 20%≤karo-karolelano pakeng tsa mobu oa fatše le mojaro ≤50%; 3. 3≤Boholo.boleng/Mots.boleng ba karolo e le 'ngoe fatše hona joale≤5; | Tlhokomeliso | Matlafatsa tlhokomelo le ho khutsufatsa nako ea ho lemoha |
| Haeba tlhokahalo efe kapa efe e ka tlase e finyelloa: 1. Boleng bo feletseng ba motlakase oa fatše＞100A; 2. Karo-karolelano ea hona joale fatše le mojaro＞50%; 3. Max.boleng/Mots.boleng ba sebaka se le seng sa lefatše＞5 | Sekoli | Tima 'me u hlahlobe. |
Lethathamo la 5
