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Table of Contents

NOTE: The Amp 1, Amp 2, etc., labels on the Simulink blocks refer to the amplifier outputs L1, L2, etc.

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Mask and Parameters


NOTE: The Amplifier 1, Amplifier 2, etc., and AMP 1, AMP 2, etc., labels on the Simulink blocks refer to the amplifier outputs L1, L2, etc.

Parameters - INDEPENDENT mode

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Parameters - GROUPED mode

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Parameters - DIFFERENTIAL mode

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Calibration Tab

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Name

Description

Parameter Tab Description

GROUP 1 MODE (AMP 1-2-3

)This parameter sets the mode for the amplifier group 1 (includes the first three amplifiers 1,2 and 3

)

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GROUP 2 MODE (AMP 4-5-6)

The parameters selected in this section define the operating mode of each amplifier group, where Group 1 consists of the first three amplifier outputs (L1, L2, L3) and Group 2 consists of the last three (L4, L5, L6).

INDEPENDENT -

With

In this mode

selected, each amplifier output can be activated individually. i.e. the enable contactor can be individually controlled for each amplifier. It has an option to enable grouped operation by checking the grouped Operation checkbox. With this checkbox checked, all the three amplifiers are activated together i.e. the enable contactors of three amplifiers are controlled together. This mode is suitable for three-phase applications.

DIFFERENTIAL - With this mode selected, the first two amplifiers (Amp 1 and 2) are controlled together as a single amplifier. The reference provided to amplifier 1 is used and the one for amplifier 2 is ignored. The voltage produced at the output is created between amplifier 1 and amplifier 2. Amplifier 3 input reference is ignored as well.

GROUP 1 MODE (AMP 4-5-6)

This parameter sets the mode for the amplifier group 2 (includes the second three amplifiers 4,5 and 6).

INDEPENDENT - With this mode selected, each amplifier output can be activated individually. i.e. the enable contactor can be individually controlled for each amplifier. It has an option to enable grouped operation by checking the grouped Operation checkbox. With this checkbox checked, all the three amplifiers are activated together i.e. the enable contactors of three amplifiers are controlled together. This mode is suitable for three-phase applications.

DIFFERENTIAL - With this mode selected, the first two amplifiers (Amp 1 and 2) are controlled together as a single amplifier. The reference provided to amplifier 1 is used and the one for amplifier 2 is ignored. The voltage produced at the output is created between amplifier 1 and amplifier 2. Amplifier 3 input reference is ignored as well.

AMPLIFIER X ENABLE MODE

This parameter allows you to select if the amplifier output activation (i.e, engaging the output contactor) is controlled by the corresponding port in the block or by the graphical user interface (GUI) OP8110-6 Console GUI block in the console.

GUI OUTPUT ENABLE - With this selected, the amplifier 'x' output is activated from the GUI in the console.

MODEL OUTPUT ENABLE - With this selected the amplifier 'x' output is activated from the Amp x Enable input port of the block.

Bypass Output Inductance

Check this box if you would like to bypass the 75 uH inductance at the output. 

Un-check if you need to keep the inductance in the circuit. The option is checked by default.

Calibration TabAmplifier X Gain Correction This value corresponds to the gain correction factor. This factor is multiplied to the Amp x Vref signal before sending it to the amplifier

each amplifier output operates independently; each can be enabled/disabled individually and given a reference voltage which it will output with respect to its associated neutral terminal (e.g., L1 to N1, L2 to N2, etc.).

Grouped Operation - An optional “Grouped Operation” checkbox configures all outputs within the respective group to be enabled/disabled together, facilitating simpler control specifically for three-phase operation.

DIFFERENTIAL - In this mode the first two amplifier outputs of each corresponding Group (L1 & L2 for Group 1, or L4 & L5 for Group 2) operate together to generate a differential voltage, using the enable/disable and reference commands for the first amplifier output within the group. For example, in differential mode, a reference of 100VDC given to Amp 1 will produce an output voltage of 100VDC measured across amplifier outputs L1 & L2.

Application Mode

Obsolete/Legacy parameter - Selection has no effect as the OP8110 always operates in ‘Closed-Loop’ mode.

AMPLIFIER <#> ENABLE MODE

These parameters define whether the enabling/disabling command for the respective amplifier output is obtained from the corresponding input port of the communication block or from the Graphical User Interface (GUI) block in the console (OP8110-6 Console GUI).

GUI OUTPUT ENABLE - With this selected, the respective amplifier output is enabled/disabled from the Console GUI block.

MODEL OUTPUT ENABLE - With this selected, the respective amplifier output is enabled/disabled from the corresponding “Amp <#> Enable” input port of the communication block.

Bypass Output Inductance

Checking this box will bypass the 75µH output inductance of the respective amplifier output, and conversely, unchecking it will insert this inductance. This box should always be unchecked (i.e., inductance inserted) when connecting to a capacitive load or an active load. 

Name

Calibration Tab Description

Amplifier <#> Gain Correction 

This gain correction factor is multiplied to the reference signal of the respective output, which can be used to adjust/calibrate its linear voltage gain. The default value for the gain correction factor is 1. 

Amplifier

X

<#> Offset Correction 

This

value corresponds to the offset correction value. This

offset correction factor is added to

the Amp x Vref signal before sending it to the amplifier

the reference signal of the respective output, which can be used to adjust/calibrate its offset bias. The default value for the offset correction factor is 0. 

Inputs, Outputs and Signals Available for Monitoring

Inputs

Name

Description

GUI

_

In

This input is

used to communicate with the GUI in the console

to be connected to the output of the OP8110 Console GUI block to receive the associated GUI control signals.

Amp

x

<#> Enable

This input enables the amplifier X output when the AMPLIFIER X ENABLE MODE is selected to MODEL OUTPUT ENABLE. The input is

These inputs enable/disable the respective amplifier output when “MODEL OUTPUT ENABLE” is selected for AMPLIFIER <#> ENABLE MODE. These inputs are active high.

Amp

x

<#> Vref

This input is used to pass the voltage output reference to amplifier X. The

These inputs obtain the voltage references for the respective amplifier outputs. Each reference value directly corresponds to the

output

generated voltage of the amplifier output (with respect to the

phase

respective neutral). If the respective amplifier group operates in DIFFERENTIAL mode,

this input corresponds to the output voltage between amplifier phase L1 and amplifier phase L2.For details of maximum voltages possible in each mode please consult 

only the reference for the first output of the group is used which defines the differential voltage between the first & second outputs (i.e., Group 1 uses the Amp 1 reference for the voltage across L1 & L2, while Group 2 uses the Amp 4 reference for the voltage across L4 & L5).

For details pertaining to the possible voltage reference range in each mode please consult the specifications listed in OP8110 4Q Power Amplifier.

SFP to OpInput

The user must connect

This input is to be connected to an OpInput block to establish communication with the

tag SFP00 (or SFP01

OP8110 (the label “SFP00in” denotes the communication channel for the first OP8110 unit, “SFP01in” for the second unit

and so on). This port is used to establish communication with the amplifier

, etc.). The process of mapping the amplifier bitstream I/O with the model I/O tags is provided in Simulator SFP Communication Setup.

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Outputs

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This pin outputs the global status of the amplifier group.

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This pin outputs the status of amplifier 1.

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This pin provides the measurements from amplifier 1. It includes the measurements of the following values:

  1. Measured output voltage. (*Note: - It is the differential voltage between phase 1 and phase 2 when operating in DIFFERENTIAL mode)
  2. Measured voltage on the remote voltage connectionIt is the differential voltage between phase 1 and phase 2 if the DIFFERENTIAL mode of operation is selected. 
  3. Measured output current. 

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This pin outputs the status of amplifier 2.

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This pin provides the measurements from amplifier 2. It includes the measurements of the following values:

  1. Measured output voltage. 
  2. Measured output current. 
  3. Measured voltage on the remote voltage connection

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This pin outputs the status of amplifier 3.

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This pin provides the measurements from amplifier 3. It includes the measurements of the following values:

  1. Measured output voltage. 
  2. Measured output current. 
  3. Measured voltage on the remote voltage connection

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This pin outputs the status of amplifier 4.

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This pin provides the measurements from amplifier 4. It includes the measurements of the following values:

  1. Measured output voltage. (*Note: - It is the differential voltage between phase 4 and phase 5 when operating in DIFFERENTIAL mode)
  2. Measured output current. 
  3. Measured voltage on the remote voltage connection

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This pin outputs the status of amplifier 5.

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This pin provides the measurements from amplifier 5. It includes the measurements of the following values:

  1. Measured output voltage. 
  2. Measured output current. 
  3. Measured voltage on the remote voltage connection

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This pin outputs the status of amplifier 6.

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This pin provides the measurements from amplifier 6. It includes the measurements of the following values:

  1. Measured output voltage. 
  2. Measured output current. 
  3. Measured voltage on the remote voltage connection

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NOTE: Output voltage defined in the following table is measured between the output and respective neutral when in INDEPENDENT mode or between both respective outputs when in DIFFERENTIAL MODE.

Name

Description

GUI Out

This port is to be connected to the input of the OP8110 Console GUI block to transmit the associated amplifier status signals.

Global Status

This port outputs the global status of the amplifier unit.

Amp <#> Status

These ports output the status of the respective amplifier output.

Amp <#> Measure 

These ports output the measurements of the respective amplifier output.

  • Output voltage.

  • Output current. 

  • VFEM sensor port voltage.

  • Input (DC) voltage.

SFP to OpOutput

This output is to be connected to an OpOutput block to establish communication with the OP8110 (the label “SFP00out” denotes the communication channel for the first OP8110 unit, “SFP01out” for the second unit, etc.). The process of mapping the amplifier bitstream I/O with the model I/O tags is provided in Simulator SFP Communication Setup.

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