scholarly journals Increasing efficiency of three-phase induction motors at power supply from single-phase electrical network

2018 ◽  
pp. 27-31
Author(s):  
V. V. Kharlamov ◽  
◽  
Yu. V. Moskalev ◽  
V. S. Lysenko ◽  
◽  
...  
Keyword(s):  
Power Supply ◽  
Single Phase ◽  
Induction Motors ◽  
Electrical Network ◽  
Three Phase

scholarly journals ANALYTICAL METHOD FOR DETERMINING OPTIMAL PARAMETERS AND SCHEMES FOR VOLTAGE-REGULATED INDUCTION MOTORS WITH SINGLE-PHASE POWER SUPPLY

2021 ◽  
Vol 2021 (59) ◽  
pp. 56-63
Author(s):  
Yu.V. Shurub ◽  
◽  
Yu.L. Tsitsyurskiy ◽  
Keyword(s):  
Induction Motor ◽  
Power Supply ◽  
Analytical Method ◽  
Single Phase ◽  
Induction Motors ◽  
Operating Mode ◽  
Phase Shifting ◽  
Optimal Parameters ◽  
Three Phase ◽  
The Relationship

On the basis of the method of symmetric components, an analytical method is proposed for calculating the coefficients that determine the relationship between the components of the positive and negative sequences of the parameters of the operating mode of an induction motor and the parameters of its power supply for some circuits for the inclusion of voltage-controlled three-phase induction motors with phase-shifting capacitors powered by a single-phase network. On the basis of this technique, the optimal parameters of phase-shifting capacitors can be determined and rational schemes for connecting three-phase induction motors to a single-phase network can be selected. Ref. 7, fig. 3, tables 2.

Frequency Converter for Emergency Power Supply to Three-Phase Induction Motors

2019 ◽  
Vol 39 (12) ◽  
pp. 1008-1010
Author(s):  
V. V. Sleptsov ◽  
S. B. Savilkin ◽  
V. V. Osipov ◽  
S. V. Matsykin
Keyword(s):  
Power Supply ◽  
Induction Motors ◽  
Frequency Converter ◽  
Three Phase ◽  
Emergency Power

scholarly journals Windings Design for Single-phase Induction Motors Base on 4-phase Induction Motor (Case study: identical windings design)

2018 ◽  
Vol 215 ◽  
pp. 01023 ◽  
Author(s):  
Zuriman Anthony ◽  
Erhaneli Erhaneli ◽  
Zulkarnaini Zulkarnaini
Keyword(s):  
Induction Motor ◽  
Power Factor ◽  
Single Phase ◽  
Induction Motors ◽  
Three Phase ◽  
Motor Design

A 1-phase induction motor usually has a complicated windings design which compares to polyphase induction motor. In addition, a large capacitor start is required to operate the motor. It is an expensive way to operate the motor if it compare to polyphase induction motor. So, a new innovation method is required to make the motor more simple and cheaper. This research is purposed to study a new winding design for a single-phase capacitor motor. Winding design of the motor was conducted to a simple winding design like a 4-phase induction motor that has four identical windings. The comparator motor that use in this study was a Three-phase induction motor with data 1400 RPM, 1.5 HP, 50Hz, 380/220V, Y/Δ, 2.74/4.7A, 4 poles, that had the same current rating which the proposed method. The result showed that the motor design on this proposed method could be operated at 88.18 % power rating with power factor close to unity.

scholarly journals High Accuracy Measurement of Total Losses in Fractional Horsepower Induction Motors

2015 ◽  
Vol 1 (2) ◽  
pp. 13
Author(s):  
Azzeddine Ferrah ◽  
Mounir Bouzguenda ◽  
Jehad M. Al-Khalaf Bani Younis
Keyword(s):  
Single Phase ◽  
Induction Motors ◽  
Data Acquisition System ◽  
High Accuracy ◽  
Industrial Applications ◽  
Motor Speed ◽  
Accuracy Measurement ◽  
Three Phase ◽  
Better Than ◽  
High Accuracy Measurement

Large and small single-phase and three-phase induction motors are commonly used in industrial applications. The present work represents an attempt towards the design of a high accuracy system for the measurement of fractional horsepower (FHP) induction motor losses and efficiency. The calorimeter designed and built is capable of measuring heat losses of up to 1 kW with an overall accuracy better than 3%. During all tests, ambient temperature, humidity, motor speed and motor frame temperature were recorded using precise digital instruments. The inlet, outlet temperatures and resulting losses were recorded automatically using a high accuracy 12-bit data acquisition system. The preliminary results obtained demonstrate the suitability of the designed calorimeter for the accurate measurement of losses in FHP induction motors.

Experimental Analysis on the Operating Performance of Induction Motor with Unbalance Power Supply Conditions

2014 ◽  
Vol 635-637 ◽  
pp. 1404-1407
Author(s):  
Yuan Xing Zhang ◽  
Fei Li ◽  
Ya Li Shen ◽  
Lei Juan Yang ◽  
Jie Li ◽  
...  
Keyword(s):  
Induction Motor ◽  
Power Supply ◽  
Power Efficiency ◽  
Single Phase ◽  
Reactive Power ◽  
Phase Voltage ◽  
Three Phase ◽  
Unbalanced Voltage ◽  
Negative Sequence Current ◽  
Domestic Appliances

Problems of power quality have been increasingly concerned by the researchers, as the domestic appliances we are usually used are single-phase load, which mainly causes the unbalance of three-phase voltage of power supply. If the induction motor is supplied by three-phase unbalanced voltage, the currents, active and reactive power, efficiency, and losses are affected as the negative-sequence current appears, this paper is emphasized on the induction motor’s characteristics when its’ power supply is three-phase unbalanced voltage by experimental research.

Performance of Wind-Electric and Solar-PV Water Pumping Systems for Watering Livestock

1996 ◽  
Vol 118 (4) ◽  
pp. 212-216 ◽  
Author(s):  
B. D. Vick ◽  
R. N. Clark
Keyword(s):  
Single Phase ◽  
Induction Motors ◽  
Solar Pv ◽  
Centrifugal Pumps ◽  
Wind Regime ◽  
Radiation Level ◽  
Pv Systems ◽  
Surface Areas ◽  
Water Pumping ◽  
Three Phase

The water pumping performance of two wind-electric systems is compared to the water pumping performance of two solar-PV systems. The wind-electric systems were rated at 1.0 kW and 1.5 kW at a wind speed of about 12 m/s, and the rotor diameters were 2.75 m and 3.05 m, respectively. The solar-PV systems were rated at 0.1 kW and 0.9 kW at a radiation level of about 1000 W/m2, and the total solar panel surface areas were 1 and 17 m2, respectively. Both wind-electric systems powered three-phase 230 V a-c induction motors with centrifugal pumps. The smaller of the solar-PV systems powered a d-c motor with a diaphragm pump, and the larger one powered a single phase 230 V a-c induction motor with a centrifugal pump. Only a well pumping depth of 30 m was evaluated for both wind-electric and solar-PV water pumping systems. The 0.1 kW and the 0.9 kW solar water pumping systems can provide enough water for 25 and 75 cattle, respectively, if the incident solar radiation is similar to that of Bushland, TX. The 1.0 kW and 1.5 kW wind-electric water pumping systems can provide enough water for 300 and 400 cattle, respectively, if the wind regime is similar to that of Bushland, TX.

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