CJ: Kodhi yebhizinesi
M: Muchina wekupwanya dunhu wakaumbwa
1: Nhamba yeDhizaini
□:Yakayerwa current yefuremu
□:Kugona kuputsa kodhi/S inoratidza mhando yakajairika (S inogona kusiiwa)H inoratidza mhando yepamusoro
Cherechedza: Kune mhando ina dzedanda risina kusimba (N pole) dzechigadzirwa chezvikamu zvina. Danda risina kusimba rerudzi rweA harina chinhu chinogumbura chinodarika simba, rinogara richibatidzwa, uye haribatidzwe kana kudzima pamwe chete nedzimwe matanda matatu.
Pole isina simba remhando B haina chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando C ine chinhu chinodhonza magetsi chinodarika mwero, uye inobatidzwa kana kudzima pamwe chete nemamwe matanda matatu (pole isina simba rinobatidzwa risati radzimwa) Pole isina simba remhando D ine chinhu chinodhonza magetsi chinodarika mwero, inogara ichibatidzwa uye haibatidzwe kana kudzima pamwe chete nemamwe matanda matatu.
| Zita rezvishongedzo | Kuburitswa kwemagetsi | Kuburitswa kwemakemikari | ||||||
| Kubata kwekubatsira, kusunungurwa kwemagetsi pasi pemagetsi, kubata kwealamu | 287 | 378 | ||||||
| Maseti maviri ekubatsira ekuonana, alarm contact | 268 | 368 | ||||||
| Kuburitswa kweshunt, kubata alarm, kubata kwekubatsira | 238 | 348 | ||||||
| Pasi pemagetsi kusunungurwa, alarm contact | 248 | 338 | ||||||
| Alarm yekubatsira yekubata | 228 | 328 | ||||||
| Kubata alarm yekusunungura shunt | 218 | 318 | ||||||
| Kusunungurwa kwekubatsira kwepasi pemagetsi | 270 | 370 | ||||||
| Maseti maviri ekubatsira ekuonana | 260 | 360 | ||||||
| Kusunungurwa kweShunt pasi pevoltage | 250 | 350 | ||||||
| Kubatana kwekubatsira kweShunt kusunungurwa | 240 | 340 | ||||||
| Kusunungurwa kwepasi pemagetsi | 230 | 330 | ||||||
| Kubata kwekubatsira | 220 | 320 | ||||||
| Kusunungurwa kweShunt | 210 | 310 | ||||||
| Kubata alarm | 208 | 308 | ||||||
| Hapana chishongedzo | 200 | 300 | ||||||
| 1 Kukosha kwezviputsi zvedunhu kwakatarwa | ||||||||
| Muenzaniso | Imax (A) | Magadzirirwo (A) | Yakayerwa Voltage Yekushanda (V) | Yakayerwa Kudzivirira Voltage (V) | Icu (kA) | Ics (kA) | Huwandu hweMatanda (P) | Kureba kweArc (mm) |
| CJMM1-63S | 63 | 6,10,16,20 25, 32, 40, 50,63 | 400 | 500 | 10* | 5* | 3 | ≤50 |
| CJMM1-63H | 63 | 400 | 500 | 15* | 10* | 3,4 | ||
| CJMM1-100S | 100 | 16, 20, 25, 32 40,50,63, 80,100 | 690 | 800 | 35/10 | 22/5 | 3 | ≤50 |
| CJMM1-100H | 100 | 400 | 800 | 50 | 35 | 2, 3, 4 | ||
| CJMM1-225S | 225 | 100,125, 160,180, 200,225 | 690 | 800 | 35/10 | 25/5 | 3 | ≤50 |
| CJMM1-225H | 225 | 400 | 800 | 50 | 35 | 2, 3, 4 | ||
| CJMM1-400S | 400 | 225,250, 315,350, 400 | 690 | 800 | 50/15 | 35/8 | 3,4 | ≤100 |
| CJMM1-400H | 400 | 400 | 800 | 65 | 35 | 3 | ||
| CJMM1-630S | 630 | 400,500, 630 | 690 | 800 | 50/15 | 35/8 | 3,4 | ≤100 |
| CJMM1-630H | 630 | 400 | 800 | 65 | 45 | 3 | ||
| Cherechedza: Kana parameters dzekuedza dze400V dzichishandiswa, 6A isina kuburitswa kwekupisa | ||||||||
| 2 Hunhu hwekushanda kwe "inverse time break" kana danda rega rega rekuburitsa simba rakawandisa panguva imwe chete richibatidzwa | ||||||||
| Chinhu chebvunzo Current (I/In) | Nzvimbo yenguva yekuedza | Mamiriro ekutanga | ||||||
| 1.05In isingakanganise magetsi | 2h(n>63A),1h(n<63A) | Kutonhora | ||||||
| Kugumburwa kwemagetsi 1.3In | 2h(n>63A),1h(n<63A) | Enderera mberi nekukasika mushure mekuyedzwa nhamba 1 | ||||||
| 3 Hunhu hwekushanda kwekuputsa nguva hwakasiyana apo danda rega rega repamusoro- kuburitswa kwazvino kwekudzivirira mota kunobatidzwa panguva imwe chete. | ||||||||
| Kugadzirisa Nguva Yazvino Mamiriro Ekutanga Enguva Yakajairika | Cherechedza | |||||||
| 1.0In | >2awa | Nyika Inotonhora | ||||||
| 1.2In | ≤2awa | Yakaenderera mberi pakarepo mushure mekuyedzwa kwenhamba 1 | ||||||
| 1.5In | ≤4min | Nyika Inotonhora | 10≤Mukati≤225 | |||||
| ≤8min | Nyika Inotonhora | 225≤Mukati≤630 | ||||||
| 7.2In | 4s≤T≤10s | Nyika Inotonhora | 10≤Mukati≤225 | |||||
| 6s≤T≤20s | Nyika Inotonhora | 225≤Mukati≤630 | ||||||
| 4. Hunhu hwekushanda kwecircuit breaker panguva imwe chete hwekugovera simba hunofanira kunge hwakatarwa se10in + 20%, uye iyo yecircuit breaker yekudzivirira mota inofanira kunge iri 12ln ± 20% |
Ma "molded case circuit breakers" zvishandiso zvekudzivirira magetsi zvakagadzirirwa kuchengetedza circuit yemagetsi kubva kumagetsi akawandisa. Ma "current" aya akawandisa anogona kukonzerwa nekuwanda kwemagetsi kana kuti short circuit. Ma "molded case circuit breakers" anogona kushandiswa mumagetsi akasiyana-siyana uye ma "frequency" ane "depth" ne "up" muganhu wakatarwa we "trip settings" unogadziriswa. Kuwedzera kune "tripping mechanisms", ma "MCCB" anogonawo kushandiswa se "manual disconnection switches" kana paine emergency kana "maintenance operations". Ma "MCCB" akajairwa uye akaedzwa kuti aone kana paine overcurrent, voltage surge, uye fault protection" kuitira kuti ave nechokwadi chekuti anoshanda zvakachengeteka munzvimbo dzese nemashandisirwo. Anoshanda zvinobudirira se "reset switch" ye "electrical circuit" kuti abvise magetsi uye kuderedza kukuvara kunokonzerwa ne "circuit overload", "ground fault", "short circuit", kana "current" inopfuura "current limitation".
MCCB kana kuti fuse chinhu chinoshandiswa zvakanyanya muindasitiri kuchengetedza michina yemagetsi. Muhupenyu hwezuva nezuva, MCCB inoshandiswa zvakanyanya. Mamwe mashandisirwo akajairika eMCCB anotsanangurwa pazasi.
1. Kugoverwa kwesimba: MCCB inogona kubatsira vanoisa grid kugovera grid mitoro kumidziyo yemagetsi yakasiyana. Kuburikidza neMCCB, vashandisi vanogona kudzora kugoverwa kwesimba nemagetsi emudziyo wega wega zvakachengeteka.
2. Kudzivirira denderedzwa pfupi: Basa guru reMCCB nderekudzima denderedzwa otomatiki kana denderedzwa pfupi rikaitika. Izvi zvinodzivirira kukuvara kwemidziyo, kuburitswa kwezvinhu zvine njodzi zvakaita semoto.
3.Dziviriro yekuwedzera zvinhu: Kufanana nedziviriro yepfupi, MCCB inogonawo kudzivirira michina kuti isanyanya kuremedzwa. Izvi zvinogona kuitwa nekuisa macircuit breakers kudzivirira kukuvara kwemagetsi kunokonzerwa nekuremedzwa kwemidziyo.
4. Kudzivirira jenareta: MCCB inoshandiswa zvakanyanya mukuona nekudzivirira majenareta makuru. Inogona kutarisa mashandiro akajairika ejenareta, kuona matambudziko uye kuvhura sisitimu yekudzivirira yecircuit breaker.
5. Dziviriro ye transformer yesimba: MCCB inogona kudzivirira transformer kuti isanyanya kuwanda uye kutarisa tembiricha yakawandisa ye transformer panguva imwe chete.
6. Dziviriro yesirinda inofambiswa: MCCB inoshandiswa zvakanyanya mukugadzira kongiri, simende uye zvicherwa zvinopwanya. Inoona mapfupi uye kuwanda kwemidziyo, nokudaro ichidzivirira michina kubva mukukuvadzwa.
Mukupedzisa, maMCCB anoshandiswa zvakanyanya uye anoita basa rakakosha muminda yakasiyana-siyana yemagetsi neyakagadzikwa. Pakusarudza MCCB, zvinhu zvakasiyana-siyana zvinofanirwa kutariswa zvakanaka kuitira kuve nechokwadi chekuti sisitimu yakachengeteka uye yakavimbika, kusanganisira kugona kwayo kutakura, kushanda kwayo, nzvimbo inogona kushandiswa, nezvimwe zvinhu zvakakosha.