ES-9-12現(xiàn)貨;
ES-9-12供應(yīng)。
變頻器(Variable Frequency Drive,簡稱VFD),又稱變頻調(diào)速器,是一種用于控制交流電動機轉(zhuǎn)速和輸出功率的電子設(shè)備。它通過改變電源頻率和電壓來調(diào)整電動機的運行速度,實現(xiàn)對電機的控制。
變頻器的工作原理是將交流電源的固定頻率和電壓轉(zhuǎn)換成可調(diào)節(jié)的頻率和電壓輸出。在變頻器內(nèi)部,電源電流首先通過整流器將交流電轉(zhuǎn)換為直流電,然后通過逆變器將直流電轉(zhuǎn)換為可調(diào)頻率的交流電,后供給電動機。通過調(diào)節(jié)逆變器輸出的頻率和電壓,可以實現(xiàn)對電動機轉(zhuǎn)速的控制。
變頻器在工業(yè)和商業(yè)領(lǐng)域有廣泛的應(yīng)用,它可以提供以下幾個主要的優(yōu)勢:
1. 節(jié)能降耗:通過調(diào)整電機的轉(zhuǎn)速,根據(jù)實際負載需求提供所需的功率,從而實現(xiàn)節(jié)能降耗的效果。特別是在部分負載運行時,使用變頻器可以顯著地減少能耗。
2. 運行平穩(wěn):傳統(tǒng)的電阻式調(diào)速方式會導(dǎo)致電動機轉(zhuǎn)速波動,而變頻器可以控制電機的轉(zhuǎn)速,使得運行更加平穩(wěn)。此外,變頻器還可以避免電動機起動時的沖擊電流。
3. 調(diào)速范圍廣:變頻器可以實現(xiàn)電機的寬頻調(diào)速,通常范圍從幾赫茲到幾千赫茲,可以滿足不同應(yīng)用場景對轉(zhuǎn)速的需求。
4. 功能豐富:現(xiàn)代的變頻器除了基本的轉(zhuǎn)速控制外,還可以配備各種保護功能和控制策略,如過載保護、短路保護、自動換向、編碼器反饋等,提高了設(shè)備的可靠性和運行效率。
需要注意的是,使用變頻器時需要考慮其適用的電機類型、額定功率和控制要求,以確保匹配和正常運行。此外,合理的安裝和維護也是保證變頻器工作穩(wěn)定和壽命長久的重要環(huán)節(jié)。
14. 筆落驚風(fēng)雨,詩成泣鬼神。(唐杜甫寄本十二白二十)
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PR-13NSS-006ALLEN BRADLEY POWERFLEX 70. 7.5 HP VFD. 20AD011A1AYNANNNNSFP
ALLEN BRADLEY 160 AA08NSF1P1 SER C FRN 7.06 ANALOG SIGNAL FOLLOWER 1.5KW 2HP
Allen-Bradley 2707-L8P1D
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Westinghouse DB-25 600 Amp 600 Volt w/ Digitrip RMS/R 500 LIG
NI cFp-1840 cFp-AI-100 cFP-DO-400 cFP-AO-210 WITH POWER SUPPLY
Agilent/HP 8494B Manual Step Attenuator with option 001
CA106/A Brovind ElettronicaIngersol Rand Micro Tas Plus 93970838, 93963361, 93963122, 93963171, G152.R04
CONTROL CONCEPTS 1029A-V-575V-100A SCR POWER CONTROLLER 100A AMP 575V 82089Hewlett Packard Agilent 8642B Signal Generator 100 kHz to 2.1 GHz 8642
ABB ASEA BROWN BOVERI AC DRIVE 25HP 25 HP ACS401602032 64079034Electrical SEIMENS BREAKER PANEL SWITCHBOARD 800 AMP 6 200 AMP 120/240 1P 3w 3R
HONEYWELL FF-SB14E-09K-S2 FFSB14E09KS2
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ADEPT TECH 10300-15500 1030015500
ALLEN BRADLEY 1771-ALX SER A 1771ALX NIB
SIEMENS 6FX1-111-0AA01 6FX11110AA01
VIDEO JET SP357150-25 NSFP SP35715025Vickers Deceleration Valve & Check 361137-E89S
GE AK-5A-25 600 Amp 600V Air Breaker AC Pro Trip Unit MO/DO AK5A25
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MODICON SERVO MOTOR S63K-E00-P010
IDM CONTROLS CIMR-P5U4011 CIMRP5U4011
Keithley 2303
LX-400 EMERSON DRIVES AS-IS
SIEMENS 6ES5-943-7UB11 6ES59437UB11
ASEA BROWN BOVERI 3BSE018283R1 3BSE018283R1
MODICON AS-P884-001 ASP884001Eaton Cutler Hammer DK3400 3p 400a 240v Circuit Breaker 1-
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SIEMENS 6FC5-203-0AD10-0AA0 6FC52030AD100AA0
GE AC364RR 200A 200 A AMP FUSIBLE BUSWAY BUS PLUG SWITCH 600V 600 V VOLT 3PH 3W
Westinghouse Current Transbbbber Ratio 1000:5 Type KT-15 722C381L18 15 KV
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Indramat Permanent Magnet Drehstrom Servo Motor MAC93B-0-JS-4-C/110-A-1/WI522LX10115BP
MODICON AS-J378-000 ASJ378000Agilent E8408A
KING 5702-1-10 ELECTRONIC LIQUID LEVEL SENSOR 0-10 PSIG D223003
863DP-H2D1SSIGP20-A22D21F-M1
FOOTE JONES SHAFT MOUNT REDUCER MODEL 8207-H07 40.31 HP 7.5 RATIO
Greenlee 00573 1/2 through 1-1/4 Shoe - BRAND-
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with e1324,e1368,e1330b
Exlar GS30-0302-0EA-LV-KM1 Linear Servo Actuator
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