VT-MVTW-1-16/D

Brand:Rexroth

Type:VT-MVTW-1-16/D

Origin: the United States

Warranty: 365 days

Colour: new/used

Shipping method: Courier delivery

Module of PLC, DCS, ESD system card, the card is a vibration monitoring system, steam turbine control system module, the advantages of the gas generator spare parts brand: Allen Bradley, BentlyNevada, ABB, Emerson Ovation, Honeywell DCS, Rockwell ICS Triplex, FOXBORO, Schneider PLC, GE Fanuc, Motorola, HIMA, TRICONEX, Prosoft etc. Various kinds of imported industrial parts of our products are widely used in metallurgy, petroleum, glass, aluminum manufacturing, petrochemical industry, coal mine, papermaking, printing, textile printing and dyeing, mechanical, electronic manufacturing, automobile manufacturing, plastic machinery, electric power, water conservancy, water treatment/environmental protection, boiler heating, energy, power transmission and distribution and so on.

A single 10 to 20 ms motor acceleration during a 50% F47 voltage sag has the potential to drop the bus voltage about 50%. Options to handle this problem are: a) Limited hold-up time of 20 to 30 ms is achieved by adding additional capacitance on the bus. Wire an external 1,500 uf or higher, 450 VDC, aluminum cap across the +bus to -bus. In this case, simply wire a rectifier or surge limiter between the drive AC terminals and the cap to help charge the external capacitance at power up. The bus voltage does not return to normal until the line returns to normal, so multiple accelerations during the sag are a problem with this option. b) Monitor the line voltage and quickly pause the machine when the voltage sags. c) Combination of a) and b) d) A robust, costly option to ride through all F47 mandated voltage sags when threephase 240 VAC is not available is either to double the peak power capability of the motor/drive system, or to derate the motor's maximum speed 50%. If a motor’s top speed can be achieved with a 50% low bus voltage, the worse case F47 voltage sag of 50% is tolerated with little or no effect on motor performance. e) If three-phase power is available within the plant, but at higher voltage than 240 VAC, consider adding a power transformer to step it down to 240 VAC for use as AC bus power for the S200 drives in the machine. This is also a robust option.

In the S2xx50 AC input voltage doubler drives, AC line L3 is shorted to the center point of the two series connected bus capacitors as shown in Figure 1. For voltage doubling, connect single-phase 120 VAC to J1-9 L1 and J1-7 L3. On the same unit, connecting 240 VAC to J1-9 L1 and J1-8 L2 gives standard single-phase full wave rectification. In both cases, the result is a 320 VDC nominal bus voltage. Three-phase AC line operation is not possible with the S2xx050 AC input voltage doubler models. In fact, connection to a three-phase source will damage the drive. Please use the standard S2xx60 AC input version of the product. When doubling a 120 VAC line, the drive continuous power specification is derated to about 70% of standard single-phase ratings. The following table gives the power specifications for 120 VAC voltage doubled operation. Refer to the ratings in Voltage Sag Standard for 240 VAC single-phase operation.