Distributed High -Frequency Partial Discharge Detection System Rau Cables

MOEORW-W5086LFD Online faib kev saib xyuas ntawm XLPE fais fab cables, kev xa tawm tiv thaiv qhov ntsuas hluav taws xob ntawm cov cables, kev soj ntsuam cov chaw xa xov hluav taws xob, 24/7 online ceeb toom ntxov rau cable tunnels. Npog ib feem ntawm kev kuaj pom ntawm 10kV / 35kV / 110kV cable lub cev, cov pob qij txha nruab nrab thiab kev txiav cable.

• Ib txwm siv PD detectors tsuas yog txhawb nqa ib qho - taw tes ntsuas; multi-node saib xyuas ntev-kab kab nyob deb xav tau ntau yam khoom siv yam tsis muaj kev sib piv cov ntaub ntawv synchronous, ua txhaum qhov chaw nyuaj heev.
• Kev cuam tshuam ntawm electromagnetic cuam tshuam rau ntawm -qhov chaw ua rau muaj kev ceeb toom tsis tseeb rau cov khoom siv PD zoo tib yam, nce nqi zog rau kev rov ua dua ntawm - qhov chaw pov thawj.
• Cables ua hauj lwm tshaj 25 xyoo raug kev txom nyem loj rwb thaiv tsev ntoo laus. Cov cuab yeej siv tsis tau ua tiav tag nrho PD txij li 0.1pC (thawj tsob ntoo loj hlob) mus txog 1000pC (ua ntej- tawg lub xeev tseem ceeb).
• Kev xaim hluav taws xob yog siv zog- siv zog; Kev saib xyuas wireless tsis muaj rau cable qhov dej / qhov tsis muaj Ethernet nkag.
• Pawg- xa tawm thib peb- cov khoom siv tog tsis muaj sijhawm sib koom ua ke thiab cov ntaub ntawv sib koom ua ke, ua rau muaj teeb meem hauv kev tswj hwm hauv nruab nrab.

Distributed multi-node synchronous HFCT PD online xyuas qhov system, txhawb 3 hom kev xa tawm (optical fiber / 4G wireless / standalone). Txog li 100 lub chaw saib xyuas ua haujlwm synchronously, ua kom muaj nyob hauv- kab tsis yog- lub zog- tawm kev sim thiab tag nrho - ntu tiv thaiv tsis zoo thaum ntxov rau cov xov tooj hluav taws xob.

1.Large-Scale Distributed Networking, Tus nqi qis rau kev xa khoom loj (No.1 Kev txhawj xeeb rau cov lag luam wholesale engineering)
Ib lub kaw lus txhawb nqa txog li 100 synchronized PD kuaj xyuas units, ntsaws - thiab - ua si. Ntxiv lossis tshem tawm cov terminals yuav tsum tsis muaj kev teeb tsa keeb kwm yav dhau los nrog kev txheeb xyuas cov cuab yeej tsis siv neeg. 3 hloov pauv qhov kev xaiv topology: daisy- chained optical fiber, ywj siab 4G huab networking, standalone portable mode.

Khoom Parameter:
1.Time puag synchronization yuam kev Tsawg dua los yog sib npaug rau 2ns rau optical fiber txuas;
2.Phase synchronization raug 0.1℃rau 100 txuas txuas;
3.Single optical fiber saws txhawb nqa txog li 20 qhov kuaj pom;
4.4G modules ua haujlwm ntawm nws tus kheej yam tsis muaj teeb meem kev cuam tshuam;
5.Automatic node ID faib, tsis muaj phau ntawv IP teeb tsa yuav tsum tau.

Ua-nyob rau hauv optical fiber timebase synchronous tsheb npav + 32-ntsis muaj ARM processor, tus kheej- tsim cov txheej txheem kev sib txuas lus nrog tsis siv neeg node ID faib. Tsis muaj phau ntawv IP configuration rau ntawm - site loj installation.

Zoo tagnrho rau cov haujlwm loj - xws li hauv nroog cable tunnels thiab hauv nroog cable networks. Kev xa khoom loj tau txiav rau - qhov chaw ua haujlwm cov nqi ua haujlwm hnyav heev. Cov neeg siv khoom tuaj yeem tso qhov kev txiav txim ntxiv rau qhov kev nthuav dav tom qab yam tsis muaj kev teeb tsa tag nrho.

2.Ultra-High Detection Sensitivity & Wide Hardware Bandwidth kom raug ntsuas
Nta: Yam tsawg kawg uas pom tau ib feem ntawm cov teeb liab tawm: 5pC; nrhiav pom zaus band 300kHz ~ 30MHz, zoo kawg nkaus txuam HFCT siab - zaus mem tes tam sim no cov cim los ntawm cable grounding down - leads.

Khoom Parameter:
1.Transfer impedance Ntau dua lossis sib npaug rau 10mV / mA;
2.Measurement dynamic ntau 70dB;
3.Adjustable nce ntau: -30dB ~ 20dB, daws teeb meem 0.1dB;
4.Sampling zaus: 125MS/s;
5.Sampling precision: 14-ntsis high-precision AD;
6.Withstands 600kV flashover impulse yam tsis muaj kev puas tsuaj lossis cov ntaub ntawv poob;
7.Input impedance ntawm lub teeb liab channel: 50Ω.

Txoj Cai Ua Haujlwm
Split-core HFCT sensors txais siab -permeability magnetic cores thiab tag nrho cov hlau thaiv thaiv enclosures los tiv thaiv cov suab nrov sab nraud electromagnetic.
Dual-theem hardware filtering + 14-ntsis siab-precision AD converter + 125MS/s siab-speed sampling nyob rau hauv lub detection units, ua ke nrog FPGA cov suab nrov txo algorithm rau cais industrial zaus converter, lub cev muaj zog thiab kev sib txuas lus cuam tshuam teeb liab.
Captures faint 0.1pC-theem tawm hauv tsob ntoo thaum ntxov laus thiab hnyav ua ntej- tawg tawm mus txog 1000pC. Cov ntaub ntawv ntsuam xyuas ua raws li cov qauv kev lag luam xa khoom hluav taws xob nrog cov ntaub ntawv ntsuas raug cai.

3.Triple Kev Sib Txuas Hom rau Tag Nrho -Scenario Compatibility

• Optical Fiber Networking Hom: Sib cais fiber ntau txuas rau synchronous lub sijhawm thiab cov ntaub ntawv xa mus, ruaj khov qis -latency cov ntaub ntawv xa mus rau tunnels thiab substations yam tsis muaj kev nkag mus rau lwm lub network. Matched nrog synchronization unit rau lub ntiaj teb no theem synchronization tshwj xeeb uas tsim los tiv thaiv voltage xeem. Txhawb kev ua tiav tsis tiav: Tsau PC network ntu 192.168.80.x; ib leeg-mode optical fiber ib zaug-section kis tau tus mob mus txog 10km.
• 4G Wireless Cloud Mode: Ua -hauv 4G kev sib txuas lus module rau cable qhov dej thiab qhov chaw nyob deb tsis muaj fiber ntau nkag; cov ntaub ntawv uploads ncaj qha mus rau huab platform rau tej thaj chaw deb PC / mobile saib xyuas; customizable huab server IP chaw nyob. Txhawb kev ua tiav tsis tiav: Txhawb TCP / IP huab kis tau tus mob, cov ntaub ntawv upload lub sijhawm hloov tau los ntawm 1s ~ 300s.
• Standalone Portable Hom: Ib chav ua ke nrog lub laptop rau ntawm -kev tshuaj xyuas qhov chaw thiab kev daws teeb meem xwm txheej ceev. Ua -hauv 12.6V rechargeable lithium roj teeb txhawb nqa puv - hnub ua haujlwm. Txhawb kev ua tiav tsis tiav: Standalone tsau network ntu 192.168.50.x, roj teeb puv - lub sijhawm ua haujlwm tsis tu ncua Ntau dua lossis sib npaug li 8h.

Lub cev dial hloov ntawm lub vaj huam sib luag pem hauv ntej rau kev hloov pauv (kev tswj hwm kho vajtse ntshiab yam tsis muaj software compatibility kab). Uniform data acquisition algorithm hla tag nrho peb hom rau cov qauv ntsuas zoo ib yam.
Distributors npog peb ntu kev lag luam (tunnel hauv internet saib xyuas, portable soj ntsuam, tiv thaiv voltage test) nrog ib tug ib tug qauv khoom, txo cov lus nug siab thiab expanding lag luam Scope yam tsis muaj stocking ntau yam khoom siv.

4.Multi-Mode Synchronization rau Precise Cable Fault Location
Tag Nrho Kev Pabcuam Synchronization Schemes: Internal virtual theem synchronization ib chav tsev, ntiaj teb no optical fiber system synchronization, sab nraud siab -voltage test voltage synchronization (AC 20 ~ 250V input). Ntxiv Rogowski coil tam sim no synchronization muaj.
Khoom Parameter:
1.Synchronization zaus ntau: 20 ~ 300Hz, sib xws nrog 50Hz domestic fais fab zaus daim phiaj;
2.Phase synchronization raug: 0.1 degree;
3. Sab nraud synchronous input voltage ntau: AC20V ~ 250V;
4.Synchronization unit input impedance: 10MΩ;
5.Time puag synchronization yuam kev Tsawg dua los yog sib npaug rau 2ns.
Thaum lub sij hawm cable withstand voltage handover tests, lub kaw lus txuas mus rau qhov qis -voltage sab teeb liab ntawm kev sim transformers kom paub qhov txawv PD pulses tiv thaiv voltage theem. Lub software cia li xam qhov zoo sib xws ntawm kev tawm sab hauv, tawm sab nrauv thiab corona cuam tshuam.

5.Edge Computing & Intelligent Anti-Kev cuam tshuam, txo qis Backend O&M nqi
Nta: Ntawm -site FPGA ntug kev xam ua haujlwm hauv zos teeb liab lim, txo suab nrov thiab cov txheeb cais tus nqi siab tshaj. Tsuas yog cov ntaub ntawv siv tau raug muab tso tawm kom tsis txhob muaj cov ntaub ntawv nyoos loj heev ntawm kev sib txuas lus; dual lub sij hawm-domain & zaus-domain cuam tshuam kev sib cais algorithm embedded.

Khoom Parameter:
1.Nyob rau-board FPGA tiag-lub sij hawm sib npaug sib npaug;
2.Lub peev xwm cia hauv zos: 8G kev lag luam cia;
3.Real-lub sij hawm txheeb xyuas lub voj voog: kho tau 100/500/1000/2000 cycles;
4.False tswb txo tus nqi siab dua lossis sib npaug li 80% tom qab kev lim dej ntse.
Txoj Cai Ua Haujlwm: Raw waveform hauv zos cia ntawm kho vajtse; tsuas yog lub voj voog ncov qhov tseem ceeb thiab suav suav xa mus rau cov servers los txiav 4G cov ntaub ntawv tsheb thiab kev siv fiber ntau optical bandwidth. Kho kho kho vajtse siab / qis- dhau cov lim + AI qauv paub software cais cov PD tiag tiag los ntawm cov suab nrov.
Huab servers tsis tas yuav siab -kawg configuration txawm nrog 100+ online units, slashing post- project server peev. Tus nqi ceeb toom cuav poob ntau dua 80% txhawm rau tshem tawm qhov tsis tsim nyog ntawm -kev tshuaj xyuas qhov chaw ua haujlwm.

6.Full-Range Intelligent Early Warning & Professional Supporting Analysis Software
Software Functions: Tiag -time trend curve, 2D PRPD pattern, 3D PRPS pattern, single pulse time/frequency domain analysis, AI discharge type identification, automatic report export, historical data storage & playback. Customizable threshold settings for Attention Level, Tswb Level and Count Threshold.

Khoom Parameter:
1.Threshold adjustable range: 0 ~ 70dBmV;
2. suav qhov pib adjustable: 1 ~ 999 zaug;
3. Tsis siv neeg tso tawm zoo sib xws suav (0 ~ 100%);
4.Cov ntaub ntawv keeb kwm khaws cia lub voj voog Ntau dua lossis sib npaug li 3 xyoos;
5.Kev txhawb nqa screenshot & PNG batch export ntawm txhua tus qauv.

7. Muaj-Qib Durable Hardware rau Ntev-Lub Sij Hawm Sab Nraud Nruam Ua Haujlwm
Khoom Parameter:
1.Kev ua haujlwm kub: -15℃~ 50 degree;
2.Relative humidity: Tsawg dua lossis sib npaug li 90% tsis yog-condensing;
3. Fais fab mov: DC12.6V rechargeable lithium roj teeb;
4.Detection unit dimension: 25815287 mm, nqa hnyav 1.5kg;
5.Synchronization unit dimension: 33031098 mm, nqa hnyav 2.5kg;
6.Impulse kuj: Withstands 600kV flashover impulse yam tsis muaj kev puas tsuaj & cov ntaub ntawv poob.
Lub Hwj Chim & Kev Tiv Thaiv: Aluminium alloy shielding vaj tse, ua -nyob rau hauv 12.6V rechargeable lithium roj teeb rau hluav taws xob hluav taws xob thaub qab, snap- ntawm cov khoom siv dej tsis sib haum rau txhua qhov chaw nres nkoj.
Impulse Resistance: Withstands 600kV flashover impulse; Cov khoom siv tseem nyob ruaj khov thiab cov ntaub ntawv khaws cia tom qab xob laim lossis overvoltage surges.
Dimension & Nyhav: Detection unit: 25815287 mm, nqa nyhav 1.5kg; synchronization chav tsev: 33031098 mm, net hnyav 2.5kg, lub teeb yuag rau yooj yim thauj thiab installation.

• Standalone Inspection Package: 1 × PD detection unit + 1~3 × phua-core HFCT sensors + SMA teeb liab cables + charging adapter + tsom xam software installation cov khoom HFCT sensor txheem sab hauv kab yeem xaiv: 50mm / 80mm / 120mm;
• Optical Fiber Distributed Networking Package: Ntau PD nrhiav kom pom cov chav nyob + teeb liab synchronization hauv nruab nrab chav tsev + ib zaug - hom synchronous optical fiber + kev sib txuas lus optical fiber Optical fiber standard specification: ib zaug -hom 9/125μm, SC connector;
• 4G Online Monitoring Package: 4G-enabled PD detection unit + HFCT sensors + 4G antenna + complimentary cloud platform account for bulk order 4G kav hlau txais xov nce: 3dBi omnidirectional kav hlau txais xov;