Provide independent power systems design and independent electric power systems installation solutions, and talk about photovoltaic modules, inverters and system maintenance in power systems engineering
As mentioned earlier, wind turbines do not generate electricity all the time, and the wind speed changes from time to time, so it is important to predict how much electricity a wind turbine will generate in a day, week, month, or year. Curve diagram method The following describes how to calculate the amount of electricity […]
1 Overview Wind power is a widely accepted green technology. In some places where wind resources are abundant, in addition to environmental benefits, wind power is also cost-competitive with low-cost fossil energy power generation. At present, the capacity of wind turbines connected to the grid in the world is huge, and the industrial ambitions of […]
A generator set consists of a series of components, including key components such as motors and governors, and non-essential components such as control equipment. The various components that make up the generator set will be described below. The prime mover Common generator sets in Australia generally use gasoline, diesel or liquefied petroleum gas, and there […]
Function of backup fuel generator set The scale of renewable energy system can be designed to be 100% independent without backup generator set. However, because the available power provided by renewable energy power generation system and user load demand change from time to time, a system powered by renewable energy is large-scale and expensive. “Demand […]
1.Inverter power supply The continuous output power of the inverter indicates the power that the inverter can provide during standard operation. This is very important for inverter selection. Under operating conditions, the peak load requirements of the system at external rated temperature shall be met. The inverter used in Australia shall indicate the continuous output […]
Inverters generally have multiple protection circuits. 1. Reverse polarity protectionReverse polarity protection prevents improper connection to the battery, albeit at the cost of reduced efficiency, but is still valuable for mobile applications. It should be noted that not all inverters have reverse polarity protection. 2. Overload protectionThe most important thing for overload protection is to […]
There are mainly two different criteria for distinguishing the types of inverters. 1. The way of converting direct current to alternating current1) Rotary inverters (motor inverters) Before the advent of solid-state inverters, 240V alternators driven by DC motors were widely used to convert between DC and AC. This conversion method benefits from the mechanical inertia […]
Of further concern in AC systems are the reactive elements (inductive and capacitive elements in sinusoidal AC circuits). Reactance can be either capacitive or inductive, but no work is done by current flowing through either type of reactance. The electrical power in a DC circuit is equal to the product of the voltage and the […]
Loads composed of purely resistive elements (resistive loads) can be powered by DC, so there is no need to use an inverter. However, due to the large power consumption of resistive loads, the use of such loads should be limited in independent power supply systems, including electric heaters, kettles, water heaters, electric irons, and hair […]
1. single stage voltage sensing controllerSingle-stage voltage sensing is often referred to as a hysteresis controller or dual voltage point controller, which operates with reference to the battery terminal voltage. When the voltage rises to a set value, the controller disconnects the power supply; when the voltage drops to a set value, the power supply […]