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electrical technology of renewable energy electric power systems

This site provides electrical technology theory, photovoltaic and wind electric power systems, and renewable energy systems equipment knowledge, etc.

Photovoltaic Arrays - What Are Standard Test Conditions for Cell and Module Manufacturers?

Photovoltaic Arrays – What Are Standard Test Conditions for Cell and Module Manufacturers?

Voltage, Current, and Temperature/Electrical and Thermal Properties

Voltage, Current, and Temperature/Electrical and Thermal Properties

Influence of MPP/Solar Radiation Intensity Variation on Current-Voltage on I-V Curve

Influence of MPP/Solar Radiation Intensity Variation on Current-Voltage on I-V Curve

Solar radiation spectrum and battery voltage and current

Solar radiation spectrum and battery voltage and current

Category: Electrical measurement and Ohm’s law

Talk about electrical measurement and Ohm’s law,introduce concepts such as current, voltage, resistance, and power

Knowledge of inductors and component testing
Electrical measurement and Ohm's law

Knowledge of inductors and component testing

November 1, 2021November 1, 2021 by admin

(1) InductorThe inductor (see Figure 1 and Figure 2) is an electronic component composed of a wire coil. When current passes through …

Principles and application knowledge of capacitors
Electrical measurement and Ohm's law

Principles and application knowledge of capacitors

October 30, 2021October 30, 2021 by admin

A capacitor is an electronic component with special properties. It can first “store” electrons, and then release them into the circuit to …

Basic knowledge of resistors
Electrical measurement and Ohm's law

Basic knowledge of resistors

October 26, 2021October 26, 2021 by admin

All electrical circuits have resistance. There is resistance to “resist” current in conductors, loads, and other components. There is an electronic component …

How to calculate the power of the power system?
Electrical measurement and Ohm's law

How to calculate the power of the power system?

October 20, 2021October 20, 2021 by admin

The unit of measurement for electrical power is watts (W). Power reflects the rate at which the circuit consumes energy or the …

Diagnosis of fault circuit in electrical system
Electrical measurement and Ohm's law

Diagnosis of fault circuit in electrical system

October 13, 2021October 13, 2021 by admin

Technicians and electricians often need to troubleshoot faulty systems. Two common faults are open circuit and short circuit. Ammeters, voltmeters and ohmmeters …

How to choose the range and Ohm's law for the meter?
Electrical measurement and Ohm's law

How to choose the range and Ohm’s law for the meter?

October 11, 2021October 11, 2021 by admin

â‘ Select the range of the instrumentWhen using an analog voltmeter or analog ammeter, the most accurate reading should be near the middle …

What are ohms and ohmmeters?
Electrical measurement and Ohm's law

What are ohms and ohmmeters?

September 10, 2021September 10, 2021 by admin

In a circuit, the resistance to current is the resistance (R). The unit of measurement of resistance is ohm, which is represented …

What is a power supply, voltage and voltmeter?
Electrical measurement and Ohm's law

What is a power supply, voltage and voltmeter?

September 7, 2021December 16, 2021 by admin

â‘ PowerThere are many kinds of commonly used power supplies, here are 6 kinds:(1) A battery is a direct current (DC) power source …

Circuit principle of renewable energy power system
Electrical measurement and Ohm's law

Circuit principle of renewable energy power system

September 7, 2021September 10, 2021 by admin

In order for the power to work, there must be a completely closed circuit, so that the current flows from the power …

What is the basic concept of electric current?
Electrical measurement and Ohm's law

What is the basic concept of electric current?

September 6, 2021October 13, 2021 by admin

Electric current is defined as electron flow. Coulomb is a unit of measurement of electron flow. Now suppose that the observer can …

Recent Posts

  • Photovoltaic Arrays – What Are Standard Test Conditions for Cell and Module Manufacturers?
  • Voltage, Current, and Temperature/Electrical and Thermal Properties
  • Influence of MPP/Solar Radiation Intensity Variation on Current-Voltage on I-V Curve
  • Solar radiation spectrum and battery voltage and current
  • The working principle of photovoltaic cells, the process of doping and photovoltaic conversion

Categories

  • Basic electrical theory and concepts
  • Circuit knowledge
  • Components of solar photovoltaic system
  • Electrical measurement and Ohm's law
  • Inverters, controllers and their applications
  • Photovoltaic cells and applications

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AC sine wave AC waveform Advantages of AC Basic power form battery memory battery performance Calculation of R-C parallel circuit Calculation of R-C series circuit Calculation of R-L parallel circuit Calculation of R-L series circuit Capacitor charging process Capacitor discharge process Capacitor switching circuit charge controller controller selection and characteristics DC waveform development history of batteries Efficiency of inverter electromagnetic field Electronic current Inrush current Inverter function Inverter output current Parallel circuit constant current source Parallel circuit parameters Parallel voltage Photovoltaic cell Photovoltaic cell I-V curve Photovoltaic cells Power factor power factor correction Principle of electromagnetic induction pwm PWM controller R-C circuit power R-L-C parallel circuit R-L-C series circuit shunt circuit Single-phase alternating current System application and connection of inverter Three-phase power Total power of parallel circuit Total resistance in parallel circuit Transformer principle Types of batteries

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