OMRON MS4800S-30-1240-30X-30R 1、變極對數(shù)調(diào)速方法:改變定子繞組的接紅方式來改變籠型電動機(jī)定子極對數(shù)達(dá)到調(diào)速。
2、變頻調(diào)速方法:使用變頻器改變電動機(jī)定子電源的頻率,從而改變其同步轉(zhuǎn)速的調(diào)速方法。
3、串級調(diào)速方法:串級調(diào)速是指繞線式電動機(jī)轉(zhuǎn)子回路中串入可調(diào)節(jié)的附加電勢來改變電動機(jī)的轉(zhuǎn)差,達(dá)到調(diào)速的目的。
大部分轉(zhuǎn)差功率被串入的附加電勢所吸收,再利用產(chǎn)生附加的裝置,把吸收的轉(zhuǎn)差功率返回電網(wǎng)或轉(zhuǎn)換能量加以利用。根據(jù)轉(zhuǎn)差功率吸收利用方式,串級調(diào)速可分為電機(jī)串級調(diào)速、機(jī)械串級調(diào)速及晶閘管串級調(diào)速形式,多采用晶閘管串級調(diào)速。
4、繞線式電動機(jī)轉(zhuǎn)子串電阻調(diào)速方法:線式異步電動機(jī)轉(zhuǎn)子串入附加電阻,使電動機(jī)的轉(zhuǎn)差率加大,電動機(jī)在較低的轉(zhuǎn)速下運(yùn)行。串入的電阻越大,電動機(jī)的轉(zhuǎn)速越低。此方法設(shè)備簡單,控制方便,但轉(zhuǎn)差功率以發(fā)熱的形式消耗在電阻上。屬有級調(diào)速,機(jī)械特性較軟。
5、定子調(diào)壓調(diào)速方法:改變電動機(jī)的定子電壓時,從而獲得不同轉(zhuǎn)速。由于電動機(jī)的轉(zhuǎn)矩與電壓平方成正比,因此大轉(zhuǎn)矩下降很多,其調(diào)速范圍較小,使一般籠型電動機(jī)難以應(yīng)用。為了擴(kuò)大調(diào)速范圍,調(diào)壓調(diào)速應(yīng)采用轉(zhuǎn)子電阻值大的籠型電動機(jī),如調(diào)壓調(diào)速用的力矩電動機(jī),或者在繞線式電動機(jī)上串聯(lián)頻敏電阻。
OMRON MS4800S-30-1240-30X-30R
ITE Siemens 5600 Breaker Feeder Bucket MCCB 400 Amp A
Foxboro I/A PM400YP 120 VAC Expansion Input PM400 YP
IT 12-749383-89 Current Transformer 1500:5A 1500:5 A CT
Omron C2000-ID216 Input Unit 3G2A5-ID216 C2000ID216
Allen Bradley 6186-M15ALTR VersaView 1500M Ind Monitor
GE Fanuc IC600-BF832K 115VAC Input IC600BF832K BF832-K
Square D Mod Model 4 Sz Size 5 MCC Bucket 8536SGO1 MCCB
Siemens SBS SBH 2000 Drawout Convertion Kit w. Fingers
Allen Bradley 1771-OBN High True DC Output 1771OBN
Siemens RL-1600 RL 1600 1200A Static Trip III RMS LSG
Bussmann KLP-3000 Hi-Cap Fuse 600V 3000A KLP3000 A Amp
Allen Bradley 1771-NOV/A High Res Iso Analog 1771NOV/A
Microscan MS-810 FS-0810-0009 Barcode Scanner MS810
Allen Bradley 1771-NOV/B High Res Iso Analog 1771NOV/B
FW Bell/Emerson 12-785041-00 Current Sensor .125mV/A
Allen Bradley 6186-M17ALTR VersaView 1700M Ind Monitor
GE General Electric TED134040 40 AMP 40Amp 40A 40 A
GE Fanuc IC600-BF832K 115VAC Input IC600BF832K BF832-K
Reliance Electric 1SU41002 2HP SP500 AC Drive 2 HP
Square D Mod Model 4 Sz Size 6 MCC Bucket 8536SHO2 MCCB
Turck Bi5-P18SK-AZ3X Sensor, Potted Cable NIB
GE Fanuc IC600-BF030L Adv IO Receiver IC600BF030L BF030
Siemens SBH 2008 SBH2008 SBH2008F 800 Amp SB08TP02G
Johnson Controls AS-AHU101-0 MetaSys DDC Controller
Reliance Electric RE 10V2160 GV3000 VS Drive 10 HP NIB
Westinghouse SPB 65 Pow-R Breaker SPB65 1600 Amp A
Reliance Electric RE 3V2160 GV3000 VS Drive 3 HP NIB
Reliance Electric RE 20V2160 GV3000 VS Drive 20 HP NIB
FW Bell IF-2000 Current Sensor IF2000
EE&E 800 Amp BPGR 800-2 Transfer Switch 120/208 V 3PH
Electroswitch S1-801-MRLSZB 800A/600VAC/60Hz Switch
GE Transformer 7.5kVA 240 x 480 120/240 V 7.5 kVA 1 PH
Westinghouse PRL-1A Main Breaker Panelboard 225 Amp A