Matla a sireletsehileng a hona joale le a sireletsehileng

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Ka kakaretso, 'mele oa motho o ka utloa boleng ba hona joale ba ts'usumetso e ka bang 1 mA.Ha 'mele oa motho o feta 5 ~ 20mA, mesifa e tla hokahanngoa le ho sisinyeha, e le hore motho a se ke a arohana le terata.Sehlahisoa sa motlakase oa motlakase hona joale le nako e lumelloang ke linaha tse ngata ke 30mA * S ho hanyetsa 'mele oa motho Hangata 1500 ohms ~ 300000 ohms, boleng bo tloaelehileng ke 1000 ohms ~ 5000 ohms, boleng bo khothalletsoang ke 1500 ohms.

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Boleng ba motlakase bo sireletsehileng bo ka fumanoa ho tsoa karabelong ea 'mele oa motho ho fihlela joale le khanyetso ea' mele oa motho: boleng bo sireletsehileng ba motlakase naheng ea rona hangata ke 12 ~ 50V.

E mamella voltage, ho lutla hona joale le polokeho ea sefahla sa EMI sa matla:

Khatello le polokeho

1. Haeba Cx capacitor ka filthara e robehile, e lekana le potoloho e khutšoanyane ea marang-rang a AC, bonyane e etsa hore thepa e khaotse ho sebetsa;haeba Cy capacitor e robehile,

Ho tšoana le ho eketsa motlakase oa marang-rang a motlakase oa AC ho casing ea thepa, e leng se sokelang polokeho ea botho ka ho toba 'me e ama lisebelisoa tsohle tse nang le casing ea tšepe e le sebaka sa boitsebiso.

Tšireletseho ea potoloho kapa thepa, hangata e lebisa ho chesoa ha lipotoloho tse itseng kapa lisebelisoa.

2. Maemo a mang a machaba a tšireletso a hananang le khatello ke a latelang:

Jeremane VDE0565.2 High Voltage Test (AC) P, N ho E 1.5kV/50Hz 1 min

Switzerland SEV1055 High Voltage Test (AC) P, N ho E 2*Un+1.5kV/50Hz 1 min

US UL1283 High Voltage Test (AC) P, N ho E 1.0kV/60Hz 1 min

Jeremane VDE0565.2 High Voltage Test (DC) P ho N 4.3* Un 1 min

Switzerland SEV1055 High Voltage Test (DC) P ho ea ho N 4.3*Un 1 min

US UL1283 High Voltage Test (DC) P ho ea ho N 1.414kV 1 motsotso

etsa mohlala:

(1) Lebaka la ho sebelisa DC voltage ho PN standstand voltage test ke hore Cx capacity e kholo.Haeba tlhahlobo ea AC e sebelisoa, matla a hajoale a hlokoang ke tester ea voltage ea ho mamella

E kholo haholo, e bakang molumo o moholo le theko e phahameng;bothata bona ha bo eo ha ho sebelisoa DC.Empa ho fetolela voltage e sebetsang ea AC hore e be motlakase o lekanang oa DC

Mohlala, matla a phahameng a ho sebetsa a AC ke 250V(AC)=250*2*1.414=707V(DC), kahoo lintlha tsa polokeho tsa UL1283 ke

1414V(DC)=707*2.

(2) Ho mamella maemo a teko ea motlakase bukeng ea tataiso ea feme e tsebahalang lefatšeng ka bophara ea filthara:

Corcom Corporation (USA) P, N ho E: 2250V(DC) bakeng sa motsotso o le mong P ho ea ho N: 1450V(DC) motsotso o le mong

Schaffner (Switzerland) P, N ho E: 2000V(DC) motsotso o le mong P ho ya ho N: Ntle le

Baetsi ba litsebi tsa filthara ea lapeng hangata ba bua ka melaoana ea polokeho ea VDE ea Jeremane kapa melaoana ea polokeho ea UL ea Amerika

Leakage hona joale le polokeho

Mokhoa o tloaelehileng oa capacitor Cy oa potoloho efe kapa efe e tloaelehileng ea filthara e na le pheletso e le 'ngoe e felisitsoeng ka nyeoeng ea tšepe.Ho ea ka pono ea karohano ea motlakase, tšepe ea tšepe ea filthara e na le

1/2 ea motlakase o lekantsoeng, kahoo ho tloha sebakeng sa ts'ireletso, hona joale ho lutla (ho lutla hona joale) ho tloha sefaneng ho ea fatše ka Cy e lokela ho ba nyenyane kamoo ho ka khonehang.

ho tla beha tšireletseho ea botho kotsing.

Melao ea polokeho ea ho lutla ha hona joale linaheng tse ling tse kholo tsa indasteri lefatšeng ke e latelang:

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Tlhokomeliso: 1. Nako ea ho lutla e lekana ka ho toba le motlakase oa marang-rang le maqhubu a marang-rang.Nako e lutlang ea filthara ea grid ea 400Hz ke makhetlo a 8 ho feta grid ea 50Hz (ke hore.

Lisefe tse kopanang le melaoana ea polokeho ho li-grid tsa matla a maqhubu a motlakase li kanna tsa se ke tsa kopana le melaoana ea ts'ireletso ho li-grids tsa motlakase tse phahameng)

2. Ha u hlahloba ho lutla ha sefahla, potoloho ea tekanyo e lumellanang le litekanyetso tsa machaba e tlameha ho sebelisoa (joalokaha ho bontšitsoe setšoantšong se ka tlase).Ha u lekanya, nyeoe ea tšepe ha e khone

E thehiloe, e tlameha ho emisoa.

Setšoantšo sa block sa potoloho ea tlhahlobo ea filthara ea ho lutla ha joale:

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Lisebelisoa

1: Lisebelisoa tsa ka tlung - ho mamella teko ea motlakase ea lihatsetsi:

Lekola voltage ea ho mamella lipakeng tsa karolo ea phepelo ea motlakase le fatše.Maemo a teko: AC1500V, 60s.Liphetho tsa liteko: ha ho na karohano le flashover.Tšireletso ea tšireletso: Motho ea sebetsang o roala liatlana tse sireletsang, setulo sa mosebetsi se behiloe ka li-pads tse sireletsang, 'me sesebelisoa se thehiloe hantle.Boleng ba opereishene: etsa koetliso ea pele ho mosebetsi, tsebo ea lisebelisoa tsa ts'ebetso, 'me o khona ho tseba le ho sebetsana le liphoso tsa lisebelisoa.

Lisebelisoa tsa boikhethelo:Letoto la RK2670/71/72/74, Lenaneo le laoloang ke RK7100/RK9910/20 letoto.

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Maikaelelo a teko

Etsa hore phepelo ea motlakase ea sesebelisoa e thehoe ka mokhoa o ts'eptjoang, 'me u leke litšobotsi tse mamellang motlakase oa sehlahisoa.

Mokhoa oa teko

1.Hokela tlhahiso e phahameng ea motlakase ea sesebelisoa ho terminal ea ho kenya matla ea sehatsetsing (LN e kopantsoe hammoho) ho karolo ea matla a marang-rang.Sebaka sa fatše (ho khutla) sa sesebelisoa se kopantsoe le setsi sa fatše sa sehatsetsing.

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2. Alamo e seng e setiloe hajoale e behiloe ho latela maemo a mosebelisi.Beha nako ho 60s.

3. Qala sesebelisoa, fetola motlakase ho bontša 1.5Kv, 'me u bale boleng ba hona joale.Nakong ea ts'ebetso ea teko, sesebelisoa ha se na alamo ea ho lutla ho feta tekano, e bontšang hore motlakase oa ho mamella o fetile.Haeba alamo e hlaha, sehlahisoa se nkoa se sa tšoanelehe.

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Mehato ya tlhokomelo

Ka mor'a hore tlhahlobo e phethoe, matla a sesebelisoa a tlameha ho tima pele ho sehlahisoa 'me mohala oa teko o ka nkoa ho qoba ho se sebetse hantle le likotsi tsa tšireletso.

2.Teko ea hona joale ea ho lutla ea lisebelisoa tsa ntlo-mochini oa ho hlatsoa

Maemo a teko: Motheong oa linako tse 1.06 tsa motlakase o sebetsang, leka boleng ba hona joale ba ho lutla pakeng tsa matla le sebaka se sireletsang sa marang-rang a teko.Sepheo sa teko: Hore na likarolo tsa tšepe tse pepesitsoeng tsa casing li na le maqhubu a sa bolokehang ha sesebelisoa sa motlakase se lekoa se sebetsa.

Liphetho tsa liteko: bala boleng ba hona joale ba ho lutla, ho sa tsotellehe hore na bo feta boleng bo sireletsehileng, sesebelisoa se tla lla ka molumo le khanya.Tlhokomeliso ea Polokeho: Nakong ea teko, sesebelisoa le DUT li ka lefisoa, 'me ho thibetsoe ka thata ho li tšoara ka matsoho ho thibela ho tsosoa ke motlakase le likotsi tsa polokeho.

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Mefuta ea boikhethelo:Lethathamo la lintlha tsa RK2675, RK9950letoto, ho ea ka matla a sehlahisoa se lekiloeng.Mokhahlelo o le mong ke oa boikhethelo ho tloha 500VA-5000VA, 'me karolo ea boraro keSetšoantšo sa RK2675WT, e nang le mesebetsi e 'meli ea mekhahlelo e meraro le ea mokhahlelo o le mong.

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Mehato ea teko:

1: Sesebelisoa se sebelisoa, 'me phepelo ea motlakase e thehiloe ka mokhoa o tšepahalang.

2: Bulela sesebelisoa sa matla sa sesebelisoa, fensetere ea pontšo ea sesebelisoa e tla khantša.Tobetsa konopo ea teko / preset, khetha sebaka sa hajoale sa 2mA / 20mA, lokisa potentiometer ea PRE-ADJ, 'me u behe alamo ea hona joale.Ebe o tobetsa konopo ea preset/test ho hlahloba boemo.

3: Hokela sehlahisoa sa motlakase tlas'a teko le sesebelisoa, qala sesebelisoa, lebone la tlhahlobo le butse, lokisa konopo ea tokiso ea motlakase ho etsa hore ponts'o ea motlakase e finyelle litlhoko tsa tlhahlobo, 'me ka mor'a ho bala boleng ba hona joale ba ho lutla, seta sesebelisoa bocha ebe u lokisa. motlakase ho bonyane.

Tlhokomeliso: Nakong ea tlhahlobo, u se ke ua ama khetla ea sesebelisoa le DUT.

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Tse tharo: teko ea ho hanyetsa fatše

Maemo a liteko: 25A ea hajoale, ho hanyetsa ka tlase ho 100 milliohms.Lekola matla a ho hanyetsa pakeng tsa mobu oa motlakase le likarolo tsa tšepe tse pepeneneng tsa khase.

Lisebelisoa tsa boikhethelo:Lethathamo la lintlha tsa RK2678XM (hajoale 30/32/70 ampere ka boikhethelo),RK7305 letoto la mochini o laoloang ke lenaneo,RK9930 letoto la lihlooho (hona joale 30/40/60 ampea boikhethelo), letoto la lihlooho tse laoloang ke lenaneo le PLC pontso pontso, RS232, RS485 mesebetsi puisano.

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mehato ea teko

1: Hokela thapo ea matla ea sesebelisoa ho netefatsa hore sesebelisoa se thehiloe ka mokhoa o tšepahalang.

2: Bulela matla 'me u hlophise moeli o ka holimo oa ho hanyetsa alamo.

3: Kopanya terata ea teko ho terminal ea sesebelisoa sa lisebelisoa ho ea ka 'mala le botenya (terata e teteaneng e kopantsoe le poso e kholo,' me mohala o mosesaane o kopantsoe le poso e nyenyane).

4: Likarolo tsa liteko li hokahantsoe le mobu oa sesebelisoa tlas'a teko (terata ea fatše ea pheletso ea ho kenya matla) le sebaka se sirelletsang sa casing (likarolo tsa tšepe tse se nang letho) ho netefatsa hore ntlha ea teko e buletsoe, ho seng joalo tlhahlobo ea hajoale ha e khone ho fetoloa.

5: Qala sesebelisoa (tobetsa START ho qala), leseli la teko ea lisebelisoa le ntse le le teng, fetola hona joale (letoto le laoloang ke lenaneo le hloka ho behoa pele) ho boleng bo hlokahalang bakeng sa teko, 'me u bale boleng ba ho hanyetsa.

6: Haeba tlhahlobo e hlōleha, sesebelisoa se tla ba le alamo ea buzzer (molumo le leseli), 'me letoto le laoloang ke lenaneo la liphetho tsa liteko le tla ba le PASS, mabone a matšoao a FAIL le li-alarms tsa molumo le tse khanyang.

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Nako ea poso: Oct-19-2022
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Lihlahisoa tse hlahisitsoeng, Sebaka sa marang-rang, High Static Voltage Meter, Voltage Meter, High Voltage Meter, High Voltage Calibration Meter, High-Voltage Digital Meter, Digital High Voltage Meter, Lihlahisoa tsohle

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