TDK Electronics · TDK Europe

Photovoltaic / Energy Storage Systems

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The further expansion of photovoltaics is a central core element of the energy transition. In addition, the need to balance supply and demand will result in increasing demand for storage systems (ESS), both in the domestic sector and on an industrial scale.

Wind Power Generation

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For years, wind energy has been experiencing steady growth and, along with photovoltaics, is the most important core element of renewable energies. Modern wind turbines achieve outputs of more than 10 MW and operate with converters in order to always be operated at optimum performance even under changing wind conditions.

HVDC

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High-voltage direct current transmission has the highest efficiency for transporting energy over longer distances. It has been used for about 15 years in Europe and increasingly worldwide to efficiently transmit power from large, centralized PV or wind farms to the regions where it is needed.

EV Fast Charger

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With the global commitment to reduce CO2 emissions, e-mobility is increasingly gaining momentum. Only with a dense charging infrastructure can the accustomed level of mobility be guaranteed. DC fast-charging technology is an important element, providing drivers with enough energy for long distances in a short charging time, especially on long journeys.

Renewable Energies

In order to achieve the greatest possible CO2 savings, renewable energies must be massively expanded. In addition to hydropower, it is wind energy and photovoltaics in particular that make a decisive contribution to this. In order to connect these systems to the grid, inverters and converters are required. High-voltage direct current transmission enables additional energy saving.

TDK supplies a wide range of durable and reliable components for this purpose.

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Solutions for Photovoltaic / Energy Storage Systems

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The further expansion of photovoltaics is a central core element of the energy transition. In addition, the need to balance supply and demand will result in increasing demand for storage systems (ESS), both in the domestic sector and on an industrial scale. These systems require inverters to convert the direct current generated by the photovoltaic system into alternating current so that the energy can be fed into the grid or into one’s own household. Inverters require passive components with the highest reliability and resilience with long operating times.


L1 L2 L3 N PE u u u u u u PS, Driver & Controller InputProtection Input Filters(EMI & LCL) Booster,DC Link Output Filters(EMI & LCL) OutputProtection Inverter Energy Storage System Grid Solar panel Stromversorgung, Treiberschaltungund Controller Eingangs-schutz Eingangsfilterung(EMV & LCL) Booster,DC-Link Ausgangsfilterung(EMV & LCL) Ausgangs-schutz Umrichter Energie-Speicher-System Netz Solarmodul 1 1 2 2 3 4 5

For details, please choose the function unit in the circuit above.

Auxiliary Power Supplies, Driver and Controller

TDK offers suitable inductors, capacitors and sensors for the auxiliary power supply and the control of the solar inverter.

Energy Storage Systems

Due to varying solar radiation, the energy generated is increasingly being stored in battery systems so that it can be called up when needed and during peak loads.



Solutions for Wind Power Generation

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For years, wind power generation has been experiencing steady growth and, along with photovoltaics, is the most important core element of renewable energies. Modern wind turbines achieve outputs of more than 10 MW and operate with converters in order to always be operated at optimum performance even under changing wind conditions. TDK has been providing extremely reliable and durable components for this market segment for years.


NTC NTC NTC u u u NTC PTC L1 PE L2 L3 U L1 PE V L2 W L3 N N Driver & Controller InputProtection Input Filters(EMI Filter) Output Filters(EMI & LCL Filter) Rectifier DC Link Inverter Power Unit Energy Storage System Generator Grid Treiber & Controller Eingangs-schutz Eingangsfilterung(EMV) Ausgangsfilterung(EMV & LCL) Gleichrichter DC-Link Umrichter Stromaggregat Generator Netz Energie-Speicher-System 1 2 3 2 4

For details, please choose the function unit in the circuit above.

Circuit and System Protection

Overvoltage protection devices are used for protecting the inverter against high spikes from the generator.

Filtering

Filtering reduces the harmonics created from inverter before voltage and current are transferred to the output transformer. The filter systems contain basically film AC capacitors and reactors.

Contactor for ESS

Wind turbines are also increasingly being connected to ESS (energy storage systems). High-current contactors are used to safely connect and disconnect the battery systems used for this purpose.



Solutions for HVDC

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High-voltage direct current transmission has the highest efficiency for transporting energy over longer distances. It has been used for about 15 years in Europe and increasingly worldwide to efficiently transmit power from large, centralized PV or wind farms to the regions where it is needed. Since the early days of this renewable energy generation, TDK has supplied the market leaders with durable and reliable products.


Solutions for EV Fast Charger

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With the global commitment to reduce CO2 emissions, e-mobility is increasingly gaining momentum. Only with a dense charging infrastructure can the accustomed level of mobility be guaranteed. DC fast-charging technology is an important element, providing drivers with enough energy for long distances in a short charging time, especially on long journeys. In the future, DC charging technology will also be available for private charging, on the one hand to use the driver’s own solar power and on the other hand to use the car as a storage medium. The efficiency of the charging station is an important performance feature. TDK offers components with minimal power dissipation for this purpose.


u u u N L3 L2 L1 PE PE InputProtection InputLC or LCL Filter AC/DCRectifier DCLink DC/DC HFConverter OutputEMI Filter OutputReactor Contactor InputEMI Filter Load Grid Eingangs-schutz Eingangs-LC- oder LCL-Filter AC/DC-Gleichrichter DC-Link DC/DC-HF-Konverter Ausgangs-EMV-Filter Ausgangs-Drossel Schütz Eingangs-EMV-Filter Last Netz 1 2 2 2 3 4

For details, please choose the function unit in the circuit above.

Contactors

The outputs of charging stations must be specially protected against overload. This requires fast and safe disconnection from the load even at high currents.



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