1775-L4
1775-L4
1775-L4
由于伺服电机是变频、变压调速的，所以属恒转矩调速；伺服电机的速度变化时，运行额定转矩不变；额定功率随速度正比增大.
伺服电机的额电功率是个变值，伺服电机低速低功率，高速高功率；伺服电机在额定转速时的额定功率大；伺服电机的额定功率=√3UIcosφ，与电压成正比，所以伺服电机的额定电流不随速度变化，为一个恒定的值.
所以伺服电机工作时，是恒额定转矩、恒额定电流，就是说转矩、电流应该在额定值以下能长期运行；伺服电机运行期间，大电流意味着大转矩，控制电流的大小，就可以控制转矩的大小，说以电流环亦转矩环；在电流环上给定电流，系统会进入失速保护，即电流大时会自动减速，保持电流不过载！
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SIEMENS SIMODRIVE LT-MODULE 1P 6SN1123-1AA00-0DA1
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TRION CAC 1000 ELECTROSTATIC AIR CLEANER, NIB
SQUARE D 145T145HDIT SORGEL GENERAL PURPOSE TRANSFORMER, 145 kVA 460|460Y/265
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EMHART WARREN STUD GUN W/ CONNECTION CABLE, 60T632LA
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THE MARLEY COMPANY 71-4787-21 HVAC PUMP
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GUSHER PUMPS P1.5X2-10SEH-CC-A GENERAL SERVICE IND PUMP W/ BALDOR 7? HP MOTOR
U.S. MOTOR HWN2502QM0004V53XU182TCNM GEAR REDUCER, 90:1 RATIO, NNB
