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  • Single-Controllable-Switch-Based Switched Reluctance Motor Drive for Low Cost, Variable-Speed Applications
    … features, the new drive system offers a viable alternative to conventional fixed-speed brush-commutator motors and variable-speed permanent magnet brushless dc motor drives in many high volume applications in the low … … categories such as fans, blowers , hand tools, and small …
  • Single-controllable-switch-based switched reluctance motor drive for low-cost variable- speed applications
    … features, the new drive system offers a viable alternative for conventional fixed speed brush-commutator motors and variable- speed permanent magnet brushless dc motor drives in many high volume applications in the low … … categories such as fans, blowers , hand tools and home …
  • Integration of Alternative Sources of Energy
    Ac output power (kW) Ac output voltage (V) Dc voltage (V) Temperature of the membrane ( C) Normal … Most of the head of series consist of a low-pressure, high - volume air blower to supply the oxidizer.
  • high pressure small blower - offers from high pressure small blower manufacturers, suppliers, exporters & wholesalers
    Sell dc brushless blower blower with air volume air pressure is big, the cooling efficiency is high , long life, small vibration, stable ...
  • Integrated auxiliary drives for fuel cell vehicles
    … dc-dc converters dynamic response, allows fast motor drive response while regulating the common dc bus voltage. The integrated motor drive unit was designed for the fuel cell cathode air blower and the water pump for United Technologies 120kW self contained … … the same auxiliary motors for blower and pump with much higher efficiency and lower cost, weight and volume .
  • Coaxial CO2 lasers
    Since DC discharges are operated at pressures below 100 hPa large volume rates are required for high laser powers. In FAF devices roots blowers had to be used to overcome the high pressure drop across the …
  • A 300 Hz TEA CO2 Laser
    A new CO2 laser design for application in the plastic industry was reported in [11]; it consists of three parts: metal chamber 1, modulator 2, and 15 kV DC high -voltage power supply 3. The metal chamber, of volume 160 liters, has three sections: on the right-hand side of the chamber there is a blower with 4500 rpm that produces a gas flow with a 13 m/s gas velocity between the electrodes.
  • A New Anisotropic Bonded NdFeB Permanent Magnet and Its Application to a Small DC Motor
    DIRECT current ( dc ) motors employing sintered ferrite magnets (PMs) have, so far, been widely used in au- tomotive applications such as the seat, blower , and sunroof. These days, PM motors are required to have higher efficiency for energy saving, better performance with smaller volume and lighter weight, and even higher power density.
  • Cogging torque analysis of interior-type permanent-magnet brushless DC motor used in washers
    In recent years, permanent-magnet brushless (BL) DC motors have wide usage areas such as home appliance: washers, dryers; in automotive: fans, pumps and blowers etc. Some advantages of this machine can be listed as their high performance, high relation of torque/ volume , capability at high speed applications, electronic driven commutation.
  • A Rolling Process Applied on the Manufacturing of Precision Cold Formed Metal Motor Housings
    This process guarantees a high precision on the inner diameter and can be applied on small and large production volumes . … the external case of many kind of electrical motor (fig. 1): a wide range of them, mostly used in the Automotive and in the Industrial business, are 12V DC -AC motors used for … … applications as fans or blowers , starting or moving devices …
  • Foreword
    Some of them are: VAR compensators, active power filters, switch mode rectifiers, space and uninterruptible power supplies, industrial fans, blowers , compressors, steel rolling mills,paper and textile … … electric vehicles, electric and diesel electric traction, high voltage dc transmission, induction heating, electrolysis … … to improvement of efficiency and performance, reliability, and power qual- ity, reduction in volume and weight, and …
  • Fuel cell power systems for remote applications. Phase 1 final report and business plan
    The fuel cell subsystems include a 1ow pressure, high volume air blower to provide the oxidant feed, and a water circulation syste/ for cooling the stack and humidifying the incoming alr and reformate streams. The electrical output of the fuel cell will be conditioned by a DC /DC voltage converter to …
  • ATF CO{sub 2} laser system upgrade to terawatt peak power
    Also for presently envisioned scientific application of the ATF COZ laser system a high repetition rateis not … Reduction ofthe repetition rate to 3-6 ppm helps to reducethe required power of HV DC suppliesto 1kW and to use compact and relatively inexpensive blower , catalytic converter, etc. With such low repetition rate and the discharge volume -8 Z, gas exchange rateat the level of …
  • Exact thermal design method for high output power density converter under real circuit operation condition
    V_LCfilter and V_Cdc are the volume of the passive filter and the DC capacitor respectively, and V_FAN is the volume of blower for air cooling. Fig.16 shows the inverter which has the highest OPD can be fabricated by about 200kHz switching …
  • ZHTP00805P39
    In practice, this involves a number of design steps including: · Selecting the appropriate power rating of the blower motor · Designing a furnace with low resistance of … … gas flow over the entire load length, thus ensuring high linear velocities in each … … conditions to reach the highest quenching rates and to ensure high quenching uniformity within entire load volume . … molds and dies made of H13 steel according to the requirements of NADCA/GM DC -9999-1, as …