描述
高溫會破壞電氣設(shè)備的絕緣,造成短路或接地,直接燒毀設(shè)備
高溫主要是設(shè)備本身發(fā)熱和現(xiàn)場環(huán)境溫度高造成的。在設(shè)備的使用過程中要確保不能超過其額定負(fù)荷,雖然在初始設(shè)計(jì)時(shí)已經(jīng)通過計(jì)算制定了合理的功率,不過在使用過程中由于機(jī)械設(shè)備的老化也會導(dǎo)致電氣設(shè)備的過負(fù)荷。這就需要與機(jī)械設(shè)備緊密配合。雖然一些熱保護(hù)裝置、過流保護(hù)裝置的普遍使用使得在發(fā)生過負(fù)荷的時(shí)候能及時(shí)停止,但是畢竟設(shè)備也受到了高電流的沖擊,久而久之造成設(shè)備的劣化。這就需要把日常觀測到的電流、溫度實(shí)時(shí)記錄下來,便于分析,找出電流大(相對于額定值)、溫度高的設(shè)備,在停機(jī)時(shí)對其重點(diǎn)檢查。對于電機(jī)、電抗器類來說,在每次設(shè)備停機(jī)時(shí)對上述設(shè)備和一些關(guān)鍵設(shè)備的電阻、絕緣阻值進(jìn)行測量。
對于普通設(shè)備也要定期測量。將測量得到的值記錄下來制作成圖表或曲線來檢測劣化情況。根據(jù)生產(chǎn)實(shí)際情況將設(shè)備定期更換,下線后做保養(yǎng)。電子設(shè)備的發(fā)熱是由于功率元件造成,主要是二極管、可控硅等。通常都有冷卻風(fēng)扇,有的大型設(shè)備也用水冷。對于大型設(shè)備的冷卻裝置都有溫度、風(fēng)壓、水壓、流量等在線監(jiān)測傳感器,監(jiān)測的數(shù)據(jù)出現(xiàn)問題后會及時(shí)停機(jī)。在設(shè)備停機(jī)時(shí)應(yīng)對這些部位進(jìn)行檢測。電氣設(shè)備的銅排連接處或接線部位的螺栓長時(shí)間使用后也會松動導(dǎo)致接觸不實(shí),造成發(fā)熱。在日常點(diǎn)檢過程中需要用測溫槍測量溫度,發(fā)現(xiàn)溫度升高要及時(shí)申請停機(jī)處理。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動化控制系列
本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
CONTROL TECHNIQUES UNI-2402 USPP UNI2402
CONTROL TECHNIQUES UNI-2402VTC NSFP UNI2402VTC
CONTROL TECHNIQUES UNI-2402VTC NSPP UNI2402VTC
CONTROL TECHNIQUES EI-203-00-000 NSPP EI20300000
CONTROL TECHNIQUES EN-208-00-000 USPP EN20800000
CONTROL TECHNIQUES SPMC1601 USPP SPMC1601
CONTROL TECHNIQUES SPMD1604M NSFP SPMD1604M
CONTROL TECHNIQUES SPMD1604M USPP SPMD1604M
CONTROL TECHNIQUES SPMD1604S USPP SPMD1604S
CONTROL TECHNIQUES DXM-308 USPP DXM308
CONTROL TECHNIQUES CD550K-R USPP CD550KR
CONTROL TECHNIQUES EB-203-00-000 USPP EB20300000
CONTROL TECHNIQUES EB-203-00-C01 USPP EB20300C01
CONTROL TECHNIQUES EI-203-00-000 USPP EI20300000
CONTROL TECHNIQUES 142UMC300-CAGAA NSFP 142UMC300CAGAA
CONTROL TECHNIQUES UNI-1401 NSPP UNI1401
CONTROL TECHNIQUES SMDEVICENET USPP SMDEVICENET
CONTROL TECHNIQUES 6041-8001 USPP 60418001
CONTROL TECHNIQUES DXA-202 USPP DXA202
Control Techniques Servo Motor DXM-340WB,FACTORY REFUR
CONTROL TECHNIQUES V1500 USPP V1500
CONTROL TECHNIQUES V75-ICD USPP V75ICD
CONTROL TECHNIQUES FX-490 USPP FX490
CONTROL TECHNIQUES 142DSD300TAAAA USPP 142DSD300tAAAA
CONTROL TECHNIQUES 200XS25/50 USPP 200XS2550
CONTROL TECHNIQUES 2423-0230 NSPP 24230230
CONTROL TECHNIQUES 300487-05 NSPP 30048705
CONTROL TECHNIQUES 320C-02 USPP 320C02
CONTROL TECHNIQUES 320C-03 USPP 320C03
CONTROL TECHNIQUES 566-857-000 USPP 566857000
CONTROL TECHNIQUES 6M4Q-15 USPP 6M4Q15
CONTROL TECHNIQUES 7004-0014 USPP 70040014
CONTROL TECHNIQUES 8200-00060 USPP 820000060
CONTROL TECHNIQUES 850014-02 NSPP 85001402
CONTROL TECHNIQUES 901B-2551 NSPP 901B2551
CONTROL TECHNIQUES 95DSB301CAAAA USPP 95DSB301CAAAA
CONTROL TECHNIQUES 960162-01 USPP 96016201
CONTROL TECHNIQUES 960169-02 USPP 96016902
CONTROL TECHNIQUES 960169-04 USPP 96016904
CONTROL TECHNIQUES 960177-02 USPP 96017702
CONTROL TECHNIQUES 960473-02 NSFP 96047302
CONTROL TECHNIQUES 960473-03 USPP 96047303
CONTROL TECHNIQUES 960473-04 USPP 96047304
CONTROL TECHNIQUES 960500-06 USPP 96050006
CONTROL TECHNIQUES 960750-16 NSFP 96075016
CONTROL TECHNIQUES AX-4000-00-0D-0?00 USPP AX4000000D000
CONTROL TECHNIQUES CD-220 USPP CD220
CONTROL TECHNIQUES CD-220K USPP CD220K
CONTROL TECHNIQUES CD-220K-R USPP CD220KR
CONTROL TECHNIQUES CDE11-75POD USPP CDE1175POD
CONTROL TECHNIQUES CDE15HP USPP CDE15HP
CONTROL TECHNIQUES CDE15HPICD USPP CDE15HPICD
CONTROL TECHNIQUES CDE40HPICD USPP CDE40HPICD
CONTROL TECHNIQUES CFCS-065 USPP CFCS065
CONTROL TECHNIQUES CFEF-050 NSPP CFEF050
CONTROL TECHNIQUES CFOCS-050 USPP CFOCS050
CONTROL TECHNIQUES DD-150 USPP DD150
CONTROL TECHNIQUES DIN3220150 USPP DIN3220150
CONTROL TECHNIQUES DIN3380110B-R USPP DIN3380110BR
CONTROL TECHNIQUES DXA-205 NSPP DXA205
CONTROL TECHNIQUES DXA-6200 USPP DXA6200
CONTROL TECHNIQUES DXA6300 USPP DXA6300
CONTROL TECHNIQUES DXE-208C NSPP DXE208C
CONTROL TECHNIQUES DXE-4120CB USPP DXE4120CB
CONTROL TECHNIQUES DXE-4120W USPP DXE4120W
CONTROL TECHNIQUES DXE-450 NSFP DXE450
CONTROL TECHNIQUES DXE-450 USPP DXE450
CONTROL TECHNIQUES DXE-455CB USPP DXE455CB
CONTROL TECHNIQUES DXE-455WB USPP DXE455WB
CONTROL TECHNIQUES DXM6300B USPP DXM6300B
CONTROL TECHNIQUES EI-202-04-000 NSFP EI20204000
CONTROL TECHNIQUES EN-204-00-000 USPP EN20400000
CONTROL TECHNIQUES EN-204-00-001 NSFP EN20400001
CONTROL TECHNIQUES EN-205-00-000 USPP EN20500000
CONTROL TECHNIQUES EN-208-05-000 USPP EN20805000
CONTROL TECHNIQUES EN-214-06-000 USPP EN21406000
CONTROL TECHNIQUES FM-3 USPP FM3
CONTROL TECHNIQUES FX-208 NSFP FX208
CONTROL TECHNIQUES FX-208 NSPP FX208
CONTROL TECHNIQUES FX-208 USPP FX208
CONTROL TECHNIQUES FX-340 USPP FX340
CONTROL TECHNIQUES FX-4120 USPP FX4120
CONTROL TECHNIQUES FX-455 USPP FX455
CONTROL TECHNIQUES FX-6120 USPP FX6120
CONTROL TECHNIQUES FX-6310 USPP FX6310
CONTROL TECHNIQUES IN61 NSFP IN61
CONTROL TECHNIQUES IOM-1 USPP IOM1














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