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Industrial Servo Motor SGMRV-09ANA-YR11 Yaskawa Servo Motor For Motoman Robot
Quick Details
Place of Origin:
Japan, Japan
Brand Name:
Yaskawa
Model Number:
SGMRV-09ANA-YR11
Usage:
Electric Bicycle
Certification:
UL
Type:
Servo Motor, Servo Motor
Construction:
Permanent Magnet
Commutation:
Brush
Protect Feature:
Drip-proof
Speed(RPM):
1500RMP
Continuous Current(A):
5.2A
Efficiency:
IE 1
Brand:
WTL
Model:
SGMRV-09ANA-YR11
Power:
0.85KW
Voltage:
200V
Current:
5.7A
Options:
With Brake
Series:
SGMRV
OTHER SUPERIOR PRODUCTS
Yasakawa Motor, Driver SG-
Mitsubishi Motor HC-,HA-
Westinghouse Modules 1C-,5X-
Emerson VE-,KJ-
Honeywell TC-,TK-
GE Modules IC -
Fanuc motor A0-
Yokogawa transmitter EJA-
Contact person: Anna
E-mail: wisdomlongkeji@163.com
Cellphone: +0086-13534205279
SIMILAR PRODUCTS
SGMRV-05ANA-YR11
SGMRV-05ANA-YR21
SGMRV-09ANA-YR11
SGMRV-13ANA-YR1A
SGMRV-13ANA-YR21
SGMRV-13ANA-YR31
SGMRV-20ANA-YR11
SGMRV-30ANA-YR12
SGMRV-30ANA-YR21
SGMRV-37ANA-YR12
In some cases, decreasing the current is the aim of the exercise. In power transmission lines, for example, the power lost in heating the wires due to their non-zero resistance is proportional to the square of the current. So it saves a lot of energy to transmit the electrical power from power station to city at very high voltages so that the currents are only modest.
Finally, and again assuming that the transformer is ideal, let's ask what the resistor in the secondary circuit 'looks like' to the primary circuit. In the primary circuit:
Vp = Vs/r and Ip = Is.r so
Vp/Ip = Vs/r2Is = R/r2.
R/r2 is called the reflected resistance. Provided that the frequency is not too high, and provided that there is a load resistance (conditions usually met in practical transformers), the inductive reactance of the primary is much smaller than this reflected resistance, so the primary circuit behaves as though the source were driving a resistor of value R/r2.
Efficiency of transformers
In practice, real transformers are less than 100% efficient.
First, there are resistive losses in the coils (losing power I2.r). For a given material, the resistance of the coils can be reduced by making their cross section large. The resistivity can also be made low by using high purity copper. (See Drift velocity and Ohm's law.)
Second, there are some eddy current losses in the core. These can be reduced by laminating the core. Laminations reduce the area of circuits in the core, and so reduce the Faraday emf, and so the current flowing in the core, and so the energy thus lost.
Third, there are hysteresis losses in the core. The magentisation and demagnetisation curves for magnetic materials are often a little different (hysteresis or history depedence) and this means that the energy required to magnetise the core (while the current is increasing) is not entirely recovered during demagnetisation. The difference in energy is lost as heat in the core.
Finally, the geometric design as well as the material of the core may be optimised to ensure that the magnetic flux in each coil of the secondary is nearly the same as that in each coil of the primary.
More about transformers: AC vs DC generators
Transformers only work on AC, which is one of the great advantages of AC. Transformers allow 240V to be stepped down to convenient levels for digital electronics (only a few volts) or for other low power applications (typically 12V). Transformers step the voltage up for transmission, as mentioned above, and down for safe distribution. Without transformers, the waste of electric power in distribution networks, already high, would be enormous. It is possible to convert voltages in DC, but more complicated than with AC. Further, such conversions are often inefficient and/or expensive. AC has the further advantage that it can be used on AC motors, which are usually preferable to DC motors for high power applications.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification:
Verified Supplier
Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ... Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and ...