Features:
- CUSA control regulates the Active Front End DC-link voltage.
- Mains-angle-oriented vector control shapes a nearly sinusoidal line current.
- Firmware V2.XX identifies the supported AFE control release.
Siemens 6SE7090-0XX84-0BJ0 provides the command and regulation layer for a SIMOVERT MASTERDRIVES Active Front End rather than serving as a stand-alone power converter.
Line-angle information arrives from the VSB, enabling the controller to coordinate the AFE inverter as energy moves from the mains into the DC link or returns toward the supply.
A complete arrangement combines the control module with the specified reactor, supply connecting module, CleanPower filter and main contactor to form the infeed/backfeed path.
The Siemens 6SE7090-0XX84-0BJ0 CUSA AFE Control Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6SE7090-0XX84-0BJ0 CUSA AFE Control Module Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Regulation Behavior
- DC-link control: The CUSA holds the commanded link voltage as line conditions and returned energy change.
- Bidirectional operation: The same control section manages rectifier and regenerative feedback states.
- Current waveform: Mains-oriented vector control supports a nearly sinusoidal line current.
- Command priority: Operating-current demand takes precedence when power-factor and current requests compete.
Required AFE Components
- AFE inverter: The CUSA commands the voltage-source converter that transfers energy to and from the DC link.
- Voltage sensing: A VSB board supplies the line-angle reference used by the controller.
- Line conditioning: The specified reactor and CleanPower filter form part of the mains-side arrangement.
- Connection path: A supply connecting module and main contactor complete the controlled mains interface.
Control Structure
- Firmware identity: V2.XX distinguishes the documented CUSA control release.
- Angle feedback: The FKBL3 signal cable carries VSB line-angle information to the control module.
- Voltage loop: The controller responds to DC-link deviation instead of relying on open-loop switching.
- Power-factor request: The command remains adjustable within the available operating-current margin.
Mains Connection Safeguards
- Electronics supply: An external 24 V DC source powers the AFE control and voltage-sensing electronics.
- Main contactor: The mains path includes a contactor so the AFE can be isolated by the surrounding control system.
- Matched reactor: Use the reactor specified for the AFE assembly rather than an arbitrary line inductance.
- Filter coordination: Confirm the CleanPower filter and supply module are arranged for the selected converter frame.