STP6C4M

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STP6C4M represents a power electronic application field which stands for Static Transfer Power with 6-pulse, 4-wire Modulation. The STP6C4M applications mainly include fault tolerant technique for distributed/industrial power systems, solar photovoltaic systems, hybrid electric vehicles, and energy storage systems with fast transient response and high power density, among others.

The STP6C4M technique utilizes the steady-state balance of energy from multiple independent sources, each having different properties, to achieve a desired dynamic loading requirements for a variety of applications. Enabled by a static transfer panel (STP) and a 4-wire modulation scheme, the STP6C4M technique is a novel and suitable solution to the challenge of accommodating multiple sources of energy within an electrical network.

The STP6C4M device should be considered as an active system by itself, as it is able to receive the power and dynamically adjust the input and output by means of power supplies. The working principle is similar to the traditional static switch which utilizes the energy in the form of current and the relative angle of the input/output voltage to maintain a steady-state energy balance in the system. In order to check the power balance during the switching process, the device will also monitor and adjust the modulation factors accordingly in order to maintain the desired output level. The 4-wire modulation technique provides a higher power gain, as compared to the traditional static transfer switch, which helps to reduce the power losses and thus to maximum the efficiency of the overall system.

The key advantages of STP6C4M application field are its flexibility and robustness, as the device is able to accept a variety of input power source such as single-phase, two-phase and three-phase AC or DC power sources, or even a combination. Furthermore, the device can also accommodate rapid change in the input power in the form of voltage/frequency variations, and still maintain the steady state in the system. The STP6C4M application is also suitable for a wide range of applications, which require high reliability and flexibility with relatively low cost, compared to the traditional static switch technology.

In conclusion, the STP6C4M application field serves as a reliable and cost effective alternative to traditional static switch technology, with its advantages in terms of efficiency and robustness. This technology is suitable for various applications which involve multiple energy sources and require fast transient responses for the desired output level.

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