07SK90R1;
07SK90R1現(xiàn)貨;
07SK90R1供應(yīng)。
變頻器(Variable Frequency Drive,簡(jiǎn)稱VFD),又稱變頻調(diào)速器,是一種用于控制交流電動(dòng)機(jī)轉(zhuǎn)速和輸出功率的電子設(shè)備。它通過(guò)改變電源頻率和電壓來(lái)調(diào)整電動(dòng)機(jī)的運(yùn)行速度,實(shí)現(xiàn)對(duì)電機(jī)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(guò)整流器將交流電轉(zhuǎn)換為直流電,然后通過(guò)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(dòng)機(jī)。通過(guò)調(diào)節(jié)逆變器輸出的頻率和電壓,可以實(shí)現(xiàn)對(duì)電動(dòng)機(jī)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(gè)主要的優(yōu)勢(shì):
1. 節(jié)能降耗:通過(guò)調(diào)整電機(jī)的轉(zhuǎn)速,根據(jù)實(shí)際負(fù)載需求提供所需的功率,從而實(shí)現(xiàn)節(jié)能降耗的效果。特別是在部分負(fù)載運(yùn)行時(shí),使用變頻器可以顯著地減少能耗。
2. 運(yùn)行平穩(wěn):傳統(tǒng)的電阻式調(diào)速方式會(huì)導(dǎo)致電動(dòng)機(jī)轉(zhuǎn)速波動(dòng),而變頻器可以控制電機(jī)的轉(zhuǎn)速,使得運(yùn)行更加平穩(wěn)。此外,變頻器還可以避免電動(dòng)機(jī)起動(dòng)時(shí)的沖擊電流。
3. 調(diào)速范圍廣:變頻器可以實(shí)現(xiàn)電機(jī)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(chǎng)景對(duì)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(hù)功能和控制策略,如過(guò)載保護(hù)、短路保護(hù)、自動(dòng)換向、編碼器反饋等,提高了設(shè)備的可靠性和運(yùn)行效率。
需要注意的是,使用變頻器時(shí)需要考慮其適用的電機(jī)類型、額定功率和控制要求,以確保匹配和正常運(yùn)行。此外,合理的安裝和維護(hù)也是保證變頻器工作穩(wěn)定和壽命長(zhǎng)久的重要環(huán)節(jié)。
1. 運(yùn)籌帷幄之中,決勝千里之外。(史記高祖本紀(jì))
————————————————————
FOXBORO 2AX-DP-11 NSFP 2AXDP11ASEA BROWN BOVERI ACH501-040-4-00P2 ACH501040400P2
Siemens 6ES5 395-0UA11,, 6ES53950UA11,
ELAU AG SM070-60-010-P0-45-M1-B0 NSFP SM07060010P045M1
Allen Bradley 803-F412 SER B Rotary Cam Limit Switch 0-150 RPM Nema Type 12
FISHER 657 BRONZE DISC PNEUMATIC STEEL FLANGED 5 IN BUTTERFLY VALVE B226027
ASEA BROWN BOVERI 8R37-2041-21-3101 PCD 2000 XLNTTAKEOUT MAKE OFFER
SICK OPTIC ELECTRONIC DMP2-P1111 NSFP DMP2P1111
Omron 3G2A3-PRO12HARMONIC DRIVE CSS-32-80-2A-GR-SP ROBOTIC COMPONENT IN A
WEKO HE24 931101311A Type 7810 Control Signal Amplifier 20V 50-60HzSRC Simco/Ramic PCB 94-157370-001
DODGE APG 210DM5A IN-LINE GEARSPEED REDUCER 35HP 35 HP IN 7.6:1 RATIODryCAL DC lite Primary Flowmeter 3100
CUTLER HAMMER A200M3CAC SIZE 3 NON REVERSING STARTER
FANUC A06B-6102-H206 #H520, SPINDLE DRIVE, 1 YRFluke 867B graphical multimeter, NIST-calibrated
Fluke 1625 Advanced EarthGeo Tester 3-pole 4-pole tester
SUMITOMO AF-3100 AC DRIVE AF3122-011-U
PCM-16 960114-01 Emerson
FANUC A20B-2100-0021 A20B21000021TEKTRONIX ST2400 SDH/SONET SET WITH OPTION
Yaskawa Yasnac JANCD-FC190 SN S269124 , tested
MAGNETEK GPD505V-B014 AC DRIVE GPD-505 14A 10HP RFB
ANRITSU MU952504A 1540-1544nm +10dBm DFB-LD Light Source
TOLEDO SCALE A12584500A NSFP A12584500A
Avcom MFC-5272-XP Frequency Extender
PRINCETON EG&G 5104 LOCK-IN AMPLIFIER W/ MANUALLK
P0916QA
GEORG FISCHER +gf+ Actuator unit 3" 198.150.711
EMERSON DXA-318 Metrum MET64SCUAO 40002013 SALE
CUTLER HAMMER ECN1601AAA NSFP ECN1601AAASiemens CED63B050L 50A 3-Pole 600V Circuit Breaker
KEYENCE LK-G3001P LASER DISPLACEMENT SENSOR CONTROLLER
Westinghouse 800 amp 3p4w 480/277 busduct 10' sections 60a-9475-G71 bus duct way
FOXBORO PM700WB PM700WB
GIDDINGS & LEWIS PROGRAMMABLE INDUSTRIAL COMPUTER 502-03638-61R4
3HNE 00026 Teach Pendant FANUC A06B-0143-B077 A06B0143B077
SQD Square D MA36350 Circuit Breaker, Grey LabelVarian Turbo V 70D TV70D 9699361 Pumps C
ABB TZID-C 18345-2022520001 ELECTRO-PNEUMATIC POSITIONERB155 Robohand DLT-30M-R-B-150S Direct Connect Block Thruster
GENERAL ELECTRIC FGN36AA0250R0 250AMP 600V 3POLE CIRCUIT BREAKER
GE FANUC IC3600SVZA1 NSFP IC3600SVZA1Endress+Hauser 53H80-1H0B1RB0BAAK Flow Valve 3" CIP
Nippon Gerotor Co. EIS-25603003 Hydraulic Index Motor
BACHARACH PCA3 PORTABLE COMBUSTION ANALYZER
KOLLMORGEN IND SR-06200-000000 NSFP SR06200000000
RELIANCE ELECTRIC 57C-332 57C332WEG AC MOTOR/STAINLESS PUMP 00236XP3E145TC 2 HP 3 PH 145TC FRAME 5.20/2.60 AMPS
IK36225G Square D I-Line Breaker with GFI Module
KING 5702-1-10 ELECTRONIC LIQUID LEVEL W/ SIGNAL JUNCTION ENCLOSURE D222982
KEYENCE CORP BL-601HA BL601HA
Allen Bradley 1326AS-B330H-21 /A Servo Motor 460V AC 2.0nm 6500 RPMQUANTITY
COULTER ELECTRONICS XY REC II RECORDER MODULE 115/230V 1A AMP 88365
HP 8643A SYNTHESIZED SIGNAL GENERATOR 0.26-1030 MHz OPTIONS
Allen Bradley AB 1784-KTX Interface Module ISA BUS PC Card
6637830G1