Understanding the benefits of Power Factor Correction

Understanding the Power Factor Correction (PFC) is the first step to get a number of benefits related to good power factor. Different power factor means poor electrical efficiency, and conversely, the lower the power factor, the higher the apparent power taken out from the power grid.

One of these side effects is that the capital investment and operating costs of the distributor increase and in many cases the distributor will pass on to the consumer with a higher tariff rate.

PFC is a means of locally providing compensation by reducing excessive power consumption, thereby reducing power costs, reducing system losses, and optimizing energy usage and transformer capacity.

With more than 15 years of engineering PFC solution, the NHP is fully equipped to help you choose the size, commissioning and maintenance of the PFC system. We have three PFC systems with flexibility to meet application needs.

The professional application engineering team at NHP has extensive experience in power quality analysis. Based on specific needs, they can conduct detailed on-site analysis and identify / recommend appropriate PFC solutions, including corrective actions.

Our qualified technicians team is always ready to offer you various project needs, so you can rest assured the quality and assurance easily. It covers a wide range of lifecycle services such as power factor improvement, emergency breakdown service on site, preventive maintenance, trial operation, so that NHP can reliably solve unexpected problems.

A power factor correction (PFC) converter is a typical effective power factor correction method. As a mature technology for power factor improvement, PFC converters have been widely used in power electronics systems to achieve high power factor (PF) and low harmonic distortion. Since the PFC converter tracks the input current to the input voltage, the input current drawn from the power supply has a power factor of almost 1. The boost PFC converter is the most common topology and has many advantages such as low current ripple, high power factor, small size, and simple circuit structure. A typical circuit diagram of a step-up PFC converter is shown below.

Power factor correction (PFC) is one way to improve the low power factor of a system using appropriate devices. There are two types of PFC: passive power factor correction and active power factor correction. The purpose of the power factor correction circuit is to operate the input of the power supply like a pure resistance or resistance. By using passive PFC, the purpose of low power factor application can be achieved. A filter inductor in series with the input circuit is added, and passive components are introduced to improve the line current. Passive components increase to a value of about 0.7. As the inductance value decreases, formation decreases. Passive PFC is suitable for low power level

A PFC or power factor corrector choke is always required. It enhances the power of the circuit, which increases operating power and improves voltage. PFC chokes are mainly used for heating elements with power factors such as lamps, motors and light bulbs. The objective is to make the reactive power equal to the power supply. Thus, the PFC choke is used as a catalyst to regulate power fluctuations. The operating frequency of the current compensating choke may be fixed or variable. Note that fixed frequency operation can only be used in continuous conduction mode or CCM and discontinuous conduction mode or DCM. Variable frequency mode is only available in boundary conduction mode or BCM