What’s Bi-directional technology in Inverter/UPS/Solar PCU? Today, the usage of power backup and storage devices like Inverter with Charger/Solar hybrid PCU/Battery Energy Storage Systems/Lift Inverters/heavy duty UPS, and Electric vehicles has increased. Every building requires the same to store the energy through solar Grid or Wind Sources and use the energy in the case of Blackouts, reduce the cost of e, energy or use the power during peak timings to save energy bills. So bi-directional technology is used to switch the devices like MOSFET and IGBTs to make them more efficient and use the same devices for charging and drawing power. Electric vehicles will return energy to the grid and draw energy from various sources.https://en.wikipedia.org/wiki/Vehicle-to-grid
Let’s look at bi-directional technology, why it is essential for a UPS, and how it protects your appliances from malfunctioning.
What is bi-directional technology?
A bi-directional technology is a technology that allows for two-way charging due to its ability of two-way conversion—from AC to DC and from DC to AC.
A bi-directional technology uses the same PWM (Pulse Width Modulation) based MOSFET (metal–oxide–semiconductor field-effect transistor) circuit to charge and discharge the battery.
In the presence of an electricity supply from the grid, it pulls the AC power from the grid and converts it into DC to charge UPS/inverter batteries. When the power supply from the grid disconnects, it takes DC power from the battery and transforms it into AC using the same circuit earlier used for charging.
In India, Su-Vastika Solar is the only company using bi-directional technology in its UPS/inverter systems.
Bi-directional technology in UPS/Inverter with charger/Lift inverter/Battery Energy Storage Systems/Electric vehicles
Bidirectional technology opens up new roles and possibilities for the currently employed UPS/inverter systems.
Normally, the main power flows from the utility supply through the UPS/inverter to the load. Similarly, energy from the network charges the battery; any output is fed to the load if needed. And the inverter performs one-way conversion only, converting DC to AC and providing power to the appliances without energy from the main’s supply.
With a bidirectional technology, the MOSFET circuit converts AC from the power mains into DC to charge the battery. In the absence of current from the mains supply, the same MOSFET converts DC stored in the battery into AC used by the appliances in the house.https://suvastika.com/igbt-based-heavy-duty-ups-systems-offer-major-benefits-for-industrial-applications/
For charging the battery, the bi-directional technology provides pure DC. It uses pure sine-wave output for discharging, which ultimately increases battery life.
How is bidirectional technology paramount in inverters with Charger/UPS/Solar Hybrid PCU/Electric Vehicles/Battery Energy Storage Solutions?
A bi-directional technology is important for an inverter as it improves efficiency.
A switch-mode DC-to-AC inverter using dc-to-dc technology capable of interfacing a battery bank to the AC grid has many benefits over traditional inverters with Charger/UPS.
Let’s look at the benefits of using bi-directional technology in a UPS inverter with charger/Solar hybrid PCU/Electric Vehicles/Lift inverter/Battery Energy Storage Systems.
A bidirectional inverter provides pure sine-wave output during DC to AC conversion. This is the same power the grid supplies when electricity from the main supply is available. Pure since-wave reduces harmonics (the audible noise you hear in fans and fluorescent lights, etc.), prevents resetting your computers, and weird printouts. As a result, your data remains safe.
It makes your inverter more efficient.
Bi-directional technology makes your inverter system more efficient because MOSFET-based technology is far better than any other electronic component in ordinary inverters. As a result, a bi-directional inverter’s conversion power is much superior to inverters without bidirectional technology.
With bi-directional technology, an inverter uses the same circuit for charging and discharge. Whereas, in ordinary inverters, more components are used, which makes the UPS/inverter system more expensive.
Maintain the health of your appliances.
Harmonics stresses the electrical network and causes unwanted currents and overeating of the appliances. The bi-directional technology reduces power losses, avoids deterioration of voltage quality supplied to the devices, and saves your appliances from misoperation. Resultantly, your load runs faster, cooler, and quieter.
Bi-directional technology is an advanced technology Su-vastika uses in their UPS/ inverter with charger/lift inverter systems. The technology reduces harmonics, improves the system’s efficiency and provides clean power to your appliances.