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Binary speed control combined with the current limit (hysteresis) control is a low cost method of brushless DC motor speed control. Although it is desirable that the entire speed torque characteristic of the mechanical load is determined experimentally. However, in the absence of the actual load, motor and the sufficient hardware; the parameters of a standard motor are used in simulation. Also a flexible...
This paper proposes a solar photovoltaic (PV) fed water pumping system driven by a brushless DC (BLDC) motor. A promising case of interruption in the water pumping due to the intermittency of PV power generation is resolved by using a power grid as an external power backup. The power is drawn from the grid in case the PV array is unable to meet the required power demand, otherwise the PV array is...
This paper proposes a bidirectional power flow control of a grid interactive solar photovoltaic (SPV) fed water pumping system. A brushless DC (BLDC) motor-drive without phase current sensor, is used to run a water pump. This system and control enable a consumer to operate the water pump at its full capacity for 24-hours regardless of the climatic condition and to feed a single phase utility grid...
This paper deals with the development of a solar photovoltaic (PV) based reliable water pumping system. An uninterrupted and full volume of water delivery and hence the reliability is ensured by providing a continuous power grid support to the PV generation unit which is installed for the water pumping. A high efficiency and reduced sensor based brushless DC (BLDC) motor drive is used to run the water...
This paper deals with a brushless DC (BLDC) motor driven water pump powered by a solar photovoltaic (SPV) array and a battery storage. The SPV-battery based hybrid generation is used as a power source in order to achieve a continuous full volume water delivery regardless of the climate condition. The SPV array is used as a primary source while the battery as a backup. Therefore; the battery is discharged...
This paper deals with the development of a simple, cost-effective, efficient, reliable and eco-friendly water pumping system utilizing a DC-DC boost converter as an intermediate power conditioning unit in solar photovoltaic (SPV) array fed brushless DC (BLDC) motor driven water pump. The power optimization of SPV array and limiting starting inrush current of the BLDC motor are two major functions...
This paper presents a non-isolated boost integrated buck rectifier/energy storage DC-DC (NI-BIBRED) converter fed brushless DC (BLDC) motor dive. The speed of proposed drive is controlled by adjusting the DC link voltage of voltage source inverter (VSI) feeding a BLDC motor. The BLDC motor is electronically commutated to operate the VSI in fundamental frequency switching for reduced switching losses...
This work presents a new configuration of power factor correction (PFC) based isolated Sheppard-Taylor converter for feeding brushless DC (BLDC) motor drive. In this work, fundamental frequency switching (FFS) of voltage source inverter (VSI) is used for reducing the switching losses in six solid-state switches of the VSL This is achieved by electronic commutation of BLDC motor and the DC bus voltage...
This paper deals with the power factor correction (PFC) in a brushless DC (BLDC) motor drive using a boost-forward single-stage isolated power-factor-corrected power supply (SSIPP). The DC link voltage of the voltage source inverter (VSI) feeding BLDC motor is varied for controlling the speed of a BLDC motor. Moreover, the BLDC motor is commutated electronically such that the six solid state switches...
This work presents a new configuration of a Luo converter with high frequency isolation for feeding brushless DC (BLDC) motor drive with power quality improvements at AC mains. In this work, a low frequency switching of the voltage source inverter (VSI) is used for reducing the switching losses associated with the six solid-state switches of VSI (Voltage Source Inverter). This is achieved by electronic...
This work presents a sensorless brushless DC motor (BLDCM) drive with power factor correction (PFC). The speed control of BLDCM is achieved by varying the DC bus voltage of the voltage source inverter (VSI) feeding BLDCM. The BLDCM is electronically commutated using a VSI operating at low frequency switching for reducing the switching losses in VSI. A canonical switching cell (CSC) converter is used...
A power factor correction (PFC) based bridgeless Sheppard-Taylor converter for feeding brushless DC (BLDC) motor dive is presented in this work. The voltage of DC bus of the voltage source inverter (VSI) feeding BLDC motor is adjusted for speed control. The BLDC motor is electronically commutated to operate the VSI in low switching frequency for reducing the switching losses in it. The proposed PFC...
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