Please note that items marked as optional shall be requested specifically for quotation.
2.3. Operation and connection modes
The power supply output is formed by three phases referenced to the neutral point of the
system (N). Consequently, the user can choose between two possible connection modes for the
grid emulator:
- Independent phases: Three phase power grid. Each phase (U,V,W) is controlled
independently. The voltage setpoint can be different in angle and magnitude for each
of the three phases.
- Parallel phases: One phase power grid. In this case the user has one phase output. The
total amount of current consumed will be the sum of all three phases.
- Unipolar mode: The equipment behaves as 3 independent and positive DC power
supplies (only DC case).
- Bipolar mode: The converter behaves as 2 independent DC power supplies. One is
positive and the other negative. In AC case, the equipment must be in bipolar mode.
And four operation modes are allowed:
- Constant Voltage (CV): the power supply regulates the output voltage to the setpoint
defined by the user.
- Faults generation (FG): the user defines the type of fault to be applied at the output
voltage. Only available in AC mode.
- Constant Impedance (CI): the output impedance is controlled to the setpoint value. The
emulator will perform as a constant R. Available only in DC mode.
- Constant Current (CC): the output current is controlled to the setpoint value. Available
only in DC mode.
- Constant Power (CP): the output active power is regulated to the given setpoint value.
Available only in DC mode.
- Power amplifier: the output of the converter will be the same waveform as the analogue
input.
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