Search

Now showing items 1-10 of 17

Measurement and simulation of current total harmonic distortion on three-level single phase transformerless photovoltaic inverter

Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Tunku Muhamad Nizar, Tunku Mansur; Rosnazri, Ali; Nair, Gomes; Mohd Irwan, Yusoff; Muhammad, Fitra (Universiti Malaysia Perlis (UniMAP), 2012-06-18)

This paper presents a new topology of three-level transformerless photovoltaic (PV) inverter. It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter circuit and a power factor correction ...

Multi-operational solar-operated generator set system for grid-connected and off-grid electricity supply

Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Dr.; Tunku Muhamad Nizar, Tunku Mansur; Nor Hanisah, Baharudin; Muhammad Irwanto, Misrun, Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)

This paper presents the concept of using a DC motor and synchronous generator as an electromechanical inverter as an alternative option to present popular approach of using solid-state inverters in converting the solar ...

In-plane flux distribution in the mix 60o- 45o T-joint of three phase transformer core

Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Rosnazri, Ali; Risnidar Chan Bahaudin, Ir.; Muhammad Irwanto (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

This paper describes the result of measurement of inplane flux distribution on 100kVA 3phase distribution transformer assembled with the mix 60o- 45o T-joint and mitred lap corner joint with stagger yoke of 10mm. ...

Optimization of photovoltaic module electrical characteristics using genetic algorithm

Muhammad Irwanto; Ismail, Daut, Prof. Dr.; Merdang, Sembiring, Dr. Ir.; Rosnazri, Ali; Dina Maizana, Maiz Ahmad (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

This paper presents the optimization of PV module electrical characteristics using genetic algorithm (GA). A mathematical modeling was used to characterize the electrical characteristics of PV module. A 180 W, 30 V, ...

Simulation of flux distribution and loss calculation at three-phase transformer core with the mix 60o-45o T-joint

Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Rosnazri, Ali; Syafruddin, Hassan; Risnidar Chan Bahaudin, Ir. (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

This paper describes the result of simulation of flux distribution on 100kVA 3phase distribution transformer assembled with 23o T-joint and mitred lap corner joint with stagger yoke and limb for one lamination. The ...

Harmonic performance of single phase transformer with DC biased

Syafruddin, Hasan; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Madya Dr.; Dina Maizana, Maiz Ahmad, Ir.; Rosnazri, Ali; Nor Ashbahani, Ashbahani (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

Direct current (DC) flowing through the earthed neutrals of transformer windings causes a DC component in magnetizing current. Owing to nonlinearity, the waveform of this current is strongly distorted. A high enough ...

Induction motor behavior due to unsymmetrical and symmetrical faults

Surya, Hardi; Ismail, Daut, Prof. Dr.; Risnidar Chan Bahaudin; Muhammad Irwanto; Rosnazri, Ali; Indra, Nisja (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

Voltage sags are generally caused by faults on transmission and/or distribution systems. The voltage produced may be either unsymmetrical or symmetrical, depend on type of faults. Unsymmetrical fault is faults caused by ...

High side MOSFET driver design using discrete components for low voltage applications

Pungut, Ibrahim; Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Madya Dr.; Dina Maizana, Maiz Ahmad; Risnidar Chan Bahaudin, Ir. (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

This paper presents the design of a high-side N-channel MOSFET driver using discrete components for low voltage applications, ranging from 3V up to 24Vdc operation. Special level shifting technique is used to increase the ...

Effect of solar irradiance and temperature on photovoltaic module electrical characteristics

M., Irwanto; Ismail, Daut, Prof. Dr.; Merdang, Sembiring, Dr. Ir.; Rosnazri, Ali; S., Champakeow; S., Shema (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

The electrical characteristics of photovoltaic (PV) module are dependent on solar irradiance and temperature. It consists of short circuit current, open circuit voltage, maximum power, fill factor and efficiency. This ...

An alternative approach to solar and grid-connected hybrid electricity for homes and buildings in Malaysia

Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Madya Dr.; Muhammad Irwanto, Misrun; Surya, Hardi (Universiti Malaysia Perlis (UniMAP), 2010-10-16)

This paper presents the proposal of a solar and grid-connected hybrid electricity system for homes and also buildings. A new concept of using a DC motor and synchronous generator as an electromechanical inverter is ...