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ac-dc power factor correction module is the process of connecting capacitors to the supply and creating a leading current to make up for the lagging current. The power factor is adjusted to be as close to unity as possible by connecting enough capacitance.
In an AC circuit, power factor is defined as the cosine of the angle between the voltage phasor and the current phasor. The symbol for it is pf.
Power factor is always one in a DC circuit, whereas it is zero in an AC circuit. By avoiding the premium rates that utilities charge when the power factor falls below specified values, power factor correction capacitors cut down on energy costs. When inductive loads cause power factor issues, these capacitors are typically installed in facilities.
Using capacitors, Power Factor Correction reduces the reactive power component of an AC circuit to increase efficiency and decrease current. For power supplies, there are two common types of power factor correction: the active PFC as well as the passive PFC Depending on the load, AC circuits’ power factor plays a significant role.
We are aware that a lower power factor results in a higher load current and vice versa. Due to the fact that the KVA is inversely proportional to the power factor, lagging power factor has some drawbacks, including a large KVA rating.
The Global ac-dc power factor correction module market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
A full brick power module with a power factor of 0.98 and a regulated 360Vdc non-isolated voltage from an AC input, the TDK-Lambda PF1500B-360 provides up to 1512W.
The PF1500B-360 can be used to drive loads that need a high voltage DC input or isolated high voltage input DC-DC modules in a distributed power architecture configuration. Power modules are used in custom power supply solutions, LED lighting, and the fabrication of semiconductors.
The PF1500B-360 produces 1512W and 1008W when operated at 85 to 265Vac, respectively, with an input voltage of 170 to 265Vac. With baseplate temperatures of up to +100°C and ambient temperatures of -40°C to +85°C, the 96.5 percent efficiency ensures reliable operation.
The module has the standard full brick package size for low-profile applications, measuring 116.8mm in length, 61mm wide, and 12.7mm high.
The PF1500B-360 comes standard with an inverter good signal, remote on/off, and an auxiliary voltage of 10 to 16V and 10mA. When the output voltage is greater than 360Vdc, there is an enable function that can be used to synchronize the output rise times of isolated DC-DC converters. For additional output power, it is possible to connect up to three modules in parallel with current sharing.
