韓國AUTOMA,AQL04-25A店鋪推薦中山立訊電氣有限公司直銷HITROL(海特勒):EXTERNAL CHAMBER
FLOW NOZZLE
HFN-Series
HFN-0050,HFN-0065,HFN-0080,HFN-0100,HFN-0150,HFN-0200,HFN-0250,HFN-0300,HFN-0350,HFN-0400,HFN-0450,HFN-0500,HFN-0550,HFN-0600
INDICATOR
HCKA Series
HCKA
HCKB Series
HCKB
ORIFICE
HOF-I Series
HOF-I-0015,HOF-I-0020,HOF-I-0025
HOF-Series
HOF-0015,HOF-0025,HOF-0040,HOF-0050,HOF-0065,HOF-0080,HOF-0100,HOF-0125,HOF-0150,HOF-0200,HOF-0250,HOF-0300,HOF-0350,HOF-0400,HOF-0450 HOF-0500,HOF-0600
RESTRICTION ORIFICE
HMO-Series
HMO-0015,HMO-0020,HMO-0025,HMO-0040,HMO-0050,HMO-0080,HMO-0100,HMO-0150,HMO-0250,HMO-0300
ROTA METER
STEAM EJECTOR
TURBINE FLOWMETER
韓國AUTOMA,AQL04-25A店鋪推薦 對于兩個二次繞組的電流互感器,一般一個繞組精度較高用于測量或計量,一個繞組是P級精度的,用于保護;有三個二次繞組的電流互感器,一般一個繞組精度用于計量,一個繞組精度次之用于測量或控制,一個繞組是P級精度的,用于保護;或者一個繞組用于計量,二個繞組是P級精度的,都用于保護。
一、含源電路的歐姆定律所謂一段含源電路是指這段電路中包含有電源。找出這段電路兩端的電壓與電源電動勢、電阻和電流之間的關系,就是一段含源電路歐姆定律所要解決的問題。根據歐姆定律的微分形式得兩邊積分,得積分,得所以上式稱為含源支路的歐姆定律。
HFT-Series
HFT-7050,HFT-7065,HFT-7080,HFT-7100
VARIABLE AREA
HFR-981 Series
HFR-981
HKA-Series
HKA
HKOP-Series
HKOP-C,HKOP-F,HKOP-N
VENTURI TUBE
WEDGE METER
FLOW SWITCHES
CAPACITANCE
HFS-95R Series
HFS-95R
PADDLE
HFS-12S Series
HFS-12S
HFS-2T(2S) Series
HFS-2S,HFS-2T
FLOW ELEMENTS
SIGHT GLASS
HHG,HSG Series
HHG-1FA,HHG-1FB,HHG-2FA,HHG-2FB,HSG-1FA,HSG-1FB,HSG-2FA,HSG-2FB,HSG-3FA,HSG-3FB
WELDING PAD
HWPG-Series
HWPG-1
FLOW TRANSMITTERS
ELECTROMAGNETIC
HMF-Series
HMF-800L,HMF-800R,HMF-800S
THERMAL MASS
HTMF-Series
HTMC-F,HTMD-F,HTMF
LEVEL SWITCHES
CAPACITANCE
HCC-95P, HPC-95P Series
HCC-95P,HCC-95PH,HCC-95PW,HCC-95PWH,HPC-95P,HPC-95PH,HPC-95PW,HPC-95PWH
HCC-95R, HPC-95R Series
HCC-95R,HCC-95RH,HCC-95RW,HCC-95RWH,HPC-95R,HPC-95RH,HPC-95RW,HPC-95RWH
DISPLACER
HM-30, HM-90 Series
HM-30,HM-90,HM-90-EX,HM-90-EX(NEPSI),HM-90H,HM-90H-EX,HM-90H-EX(NEPSI),HM-90H-EX(SAMPLE)
ELECTRODE
HE-1S Series
韓國AUTOMA,AQL04-25A店鋪推薦
(4)器吸引線圈的額定電壓、電流及輔助觸頭的數量、電流容量應滿足控制回路接線要求。要考慮接在器控制回路的線路長度,一般推薦的操作電壓值,器要能夠在85~110%的額定電壓值下工作。如果線路過長,由于電壓降太大,器線圈對合閘指令有可能不起反映;由于線路電容太大,可能對跳閘指令不起作用。
HE-1S
HE-Series
HE-3H,HE-3H-S,HE-3H-SP,HE-3S,HE-3V,HE-4H,HE-4H-S,HE-4H-SP,HE-4S,HE-4V,HE-5H,HE-5H-S,HE-5H-SP,HE-5S,HE-5V,HE-6V,HE-7V
FLOAT
CS-1000
CS-1000
HM-12(10) Series
HM-10,HM-12D,HM-12H,HM-12H-EX,HM-12H-L,HM-12H-L-EX,HM-12H-SP,HM-12H-SP-EX,HM-12S,HM-12W
HM-90S Series
HM-90S,HM-90S-EX,HM-90SH,HM-90SH-EX
HM-95 Series
HM-95,HM-95-EX,HM-95-EX(NEPSI),HM-95-EX(SAMPLE),HM-95H,HM-95H-EX,HM-95H-EX(NEPSI),HM-95V,HM-95V-EX,HM-95V-EX(NEPSI),HM-95VH,HM-95VH-EX HM-95VH-EX(NEPSI)
HQ-66(36) Series
HQ-36,HQ-6,HQ-66,HQ-66S
HQM-77 Series
HQM-7,HQM-77
HR-10 Series
HR-10S,HR-10T
HR-10L Series
HR-10L,HR-10L-EX
HR-30 Series
HR-30,HR-30-EX,HR-30-EX(NEPSI),HR-30C,HR-30C-EX,HR-30C-EX(NEPSI),HR-30CH,HR-30CH-EX,HR-30CH-EX(NEPSI),HR-30H,HR-30H-EX,HR-30H-EX(NEPSI),HR-30S HR-30S-EX,HR-30S-EX(NEPSI),HR-30SH,HR-30SH-EX,HR-30SH-EX(NEPSI),HR-30T,HR-30T-EX,HR-30T-EX(NEPSI),HR-30TH,HR-30TH-EX,HR-30TH-EX(NEPSI),HR-30V HR-30V-EX,HR-30V-EX(NEPSI)
HR-50 Series
HR-50
LEVEL GAUGES
PADDLE
HLV-Series
HLV-300,HLV-300-EX,HLV-300H,HLV-310,HLV-310AP,HLV-310H,HLV-310HP,HLV-320L
PRESSURE
HP-1A Series
HP-1A
RADAR
RADIO FREQUENCY
HCC-96RF-R, HPC-96RF-R Series
HCC-96RF-R,HCC-96RF-RH,HPC-96RF-R
HCC-96RF-S, 96RF-C Series
HCC-96RF-C,HCC-96RF-CH,HCC-96RF-S
THERMAL MASS
HTML-S Series
HTML-S
韓國AUTOMA,AQL04-25A店鋪推薦 我仔佃查看互感器的穿芯匝數。如下圖a所示圖a明顯繞線方法錯誤,原接線電工誤以為計算繞線匝數是以繞在鐵芯外圈的數為標準,實際應以穿繞入互感器中心的圈數為標準,導線每穿過“窗口”一次,為一匝來計算,因/此發生錯誤。
在后兩種電路中,功率因數都為0。對于一般性負載的電路,功率因數就介于0與1之間。一般來說,絡中,用電器的功率因數有兩方面的意義,一是可以減小輸電線路上的功率損失;二是可以充分發揮電力設備(如發電機、變壓器等)的潛力。
TILT
HM-100 Series
VIBRATION
HNV-970 Series
HNV-970
HTM-20N, HPV-20N Series
HPV-20N-A,HPV-20N-B,HPV-20NH-A,HPV-20NH-B,HTM-20N-A,HTM-20N-B,HTM-20N-C,HTM-20NH-A,HTM-20NH-B
HTM-230,330,430 Series
HTM-30N Series
HTM-30N,HTM-30N-EX
HTM-920,921 Series
HTM-920,HTM-921
HTM-930 Series
HTM-930N Series
HTM-930N
WATER LEVEL
LEVEL TRANSMITTERS
CAPACITANCE
HT-100CT, HPC-100CT Series
HPC-100CT,HPC-100CTH,HPC-100CTW,HPC-100CTWH,HT-100CT,HT-100CTH,HT-100CTW,HT-100CTWH
HT-100CT-2, HPC-100CT-2 Series
HPC-100CT-2,HPC-100CTH-2,HPC-100CTW-2,HPC-100CTWH-2,HT-100CT-2,HT-100CTH-2,HT-100CTW-2,HT-100CTWH-2
DISPLACER
FLOAT
HT-100F Series
HT-100F,HT-100FI
HT-100R Series
HT-100R,HT-100R-EX,HT-100R-EX(NEPSI),HT-100RH,HT-100RH-EX,HT-100RH-EX(NEPSI),HT-100RS,HT-100RS-EX,HT-100RS-EX(NEPSI),HT-100RSH,HT-100RSH-EX HT-100RSH-EX(NEPSI),HT-100RSH-EX(SAMPLE),HT-100RT,HT-100RT-EX,HT-100RT-EX(NEPSI),HT-100RTH,HT-100RTH-EX,HT-100RTH-EX(NEPSI),HT-100RTH-EX(SAMPLE) HT-100RV,HT-100RV-EX,HT-100RV-EX(NEPSI)
HTMT-2000 Series
GATE POSITION
LEVEL GAUGES
韓國AUTOMA,AQL04-25A店鋪推薦 發生短路事故時,電路中的短路電流可達40kA,甚至更大。斷路器承受的電動力可達幾千牛以上,操作機構必須克服如此巨大的電動力,才能關合斷路器。2保持合閘為了縮小斷路器整體尺寸和降低能耗,合閘線圈被設計成短時工作制,只允許在很短的時間內通以合閘電流,若通電時間過長,會燒毀合閘線圈。
比如上海電器開關廠生產的DZ47LE-162PC16A型漏電斷路器,其中2P就是級數,除此之外,在漏電斷路器中還會碰到諸如,4P,+N等各種不同類型的級數,不同的級數又各自代表著什么意思呢,這據個人理解。 多用在控制三相交流回路電源的三根相線,接下來介紹下這個級數中的P和N各自有什么含義,上的一些資料整理,從兩個方面進行討論:一:從產品分類來說1P,2P,1P+N,,4P,4P+N,P指的是裝設了保護的極(刀極)。
MAGNETIC FLAP
MAGNETO STRICTIVE
HT-3WMS
HT-3WMS
PRESSURE
HT-100P Series
HT-100PS,HT-100PT
RADAR
HRM-Series
HRM-100
TANK
HAT-Series
HAT-1000,HAT-1000-EX,HAT-5000,HAT-5000-EX
THERMAL MASS
HTML-TC Series
HTMC-C,HTMD-C,HTML-TC
HTML-TM Series
HTMC-L,HTMD-L,HTML-TM
ULTRASONIC(For Nuclear Service)
HUL/HUT-2000N
HUL-2100N,HUT-2000N
HUL/HUT-2000T&S
HUL-2100S,HUL-2100T,HUT-2000S,HUT-2000T
WATER LEVEL
LEVEL GAUGES
FLOAT
HFW-100W Series
HFW-100W
MAGNETIC FLAP
HLG-100F Series
HLG-100F
REFLEX
HRG-Series
HRG-1
TANK
HLT Series
HLT-1110,HLT-1112,HLT-1210
TRANSPARENT
HTG-Series
HTG-1
TUBULER
HTBG-Series
HTBG
韓國AUTOMA,AQL04-25A店鋪推薦 Z:是指揚聲器的阻抗值,包括有:額定感抗和直流電阻。(單位:歐姆/ohm),通常指額定阻抗。揚聲器的額定阻抗Z:即為阻抗曲線第一個極大值后面的最小阻抗模值,即圖1中點B所對應的阻抗值。高級揚聲器它是計算揚聲器電功率的基準。
這種情況下,一般是不能合閘的。要想判斷斷路器是否是由于漏電合不上閘,也很簡單。在漏電斷路器上,會有一個按鈕,按鈕的旁邊用小字寫著“合閘前按下”。當斷路器由于漏電跳閘后,這個按鈕會突出來。一方面是提醒你,電路中發生漏電了。
3、更換嚴重的碳刷。4、檢查碳刷與銅辮的及勵磁回路中各部螺絲是否松動。5、若火花很大出現環火,滑環碳刷有碎塊落下,則應請示停機。6、適當降低無功出力。1.正常運行中,發電機轉子碳刷應每隔一個小時檢查一次,當出現有碳刷冒火及機組高負荷運行時,應適當增加巡視,巡視時間間隔縮短為半個小時一次。 :利用微積分原理來解決物理問題是近幾年物理的一大重點和難點。本文借助于微積分觀點來通過洛倫茲力推導安培力的表達式。希望同學們通過本文能夠了解微積分的應用原理與基本步驟,更深入的理解洛倫茲力與安培力的聯系。