储能与电池工程
ToolFusion / Building Integrated PV Module / Engineering Tools

Project Tool: BIPV-BESS architecture selection: DC-coupled versus AC-coupled integration

Specification & Integration Verification

F6 Composition for BIPV-BESS architecture selection: DC-coupled versus AC-coupled integration

● Not Golden Verified ● Project Trust Verified Runnable: 0 / 3 steps
VERIFIED SCOPE
○ Calculate AC-coupled round-trip efficiency CALCULATION Manual Workflow
○ Calculate DC-coupled round-trip efficiency CALCULATION Manual Workflow
○ Compute round-trip efficiency penalty of AC coupling CALCULATION Manual Workflow
⚠ This tool does not currently verify Electrical interface compatibility assessment, Thermal interface point identification, DC bus voltage matching assessment, Single-point DC isolation risk scoring, Independent BESS dispatch capability scoring, Multi-criteria architecture ranking.
PROJECT INPUTS

Runnable deterministic steps: 0 / 3. Enter the project conditions used by this verification workflow. Prefilled values (7/7 inputs) are demonstration inputs, not recommended design values.

01Step 1: Calculate AC-coupled round-trip efficiencyManual Workflow
dimensionless
dimensionless
dimensionless
To quantify total energy loss from PV generation to usable AC load via two-stage conversion
02Step 2: Calculate DC-coupled round-trip efficiencyManual Workflow
dimensionless
dimensionless
To establish baseline efficiency for direct DC charging/discharging without AC inversion losses
03Step 3: Compute round-trip efficiency penalty of AC couplingManual Workflow
dimensionless
dimensionless
To express the relative degradation in usable energy delivery due to topology choice

⚠ Runnable deterministic steps: 0 / 3. Steps marked "Input Required" or "Example Input Required" need user-provided engineering values before calculation.

ENGINEERING WORKFLOW GUIDE
This workflow contains no executable calculation steps. Review the engineering methods below.
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ENGINEERING EVIDENCE

Golden Coverage0 / 3
Project Trust11 / 11 PASS
RuntimeDeterministic
Components0 small tools, 3 steps

SCOPE & LIMITATIONS

NOT CURRENTLY VERIFIED
○ Electrical interface compatibility assessment
○ Thermal interface point identification
○ DC bus voltage matching assessment
○ Single-point DC isolation risk scoring
○ Independent BESS dispatch capability scoring
○ Multi-criteria architecture ranking
These capabilities are outside the current verified workflow.

HOW THIS VERIFICATION WORKS

  1. Step 1: Calculate AC-coupled round-trip efficiency — engineering workflow step. Follow the documented method for manual execution.
  2. Step 2: Calculate DC-coupled round-trip efficiency — engineering workflow step. Follow the documented method for manual execution.
  3. Step 3: Compute round-trip efficiency penalty of AC coupling — engineering workflow step. Follow the documented method for manual execution.

This tool coordinates 0 validation steps and 3 calculation steps. The overall engineering decision uses ALL_REQUIRED_VALIDATION_PASS aggregation: only validation steps contribute to the pass/fail outcome; calculation steps produce data only.

METHODS & EQUATIONS

All formulas are resolved from canonical runtime definitions and executed deterministically by the client-side engine.

Step 1: Calculate AC-coupled round-trip efficiency

Manual Workflow
η_{RT,AC} = η_{inv,AC} × η_{ch,AC} × η_{dis,DC} × η_{inv,AC}

Step 2: Calculate DC-coupled round-trip efficiency

Manual Workflow
η_{RT,DC} = η_{ch,DC} × η_{dis,DC}

Step 3: Compute round-trip efficiency penalty of AC coupling

Manual Workflow
Δη_{RT} = 100 × (1 − \frac{η_{RT,AC}}{η_{RT,DC}})

UNDERSTANDING THE RESULTS

PASS
A proven validation criterion passed. The engineering input satisfies the deterministic threshold.
FAIL
A proven validation criterion failed. The engineering input does not satisfy the deterministic threshold.
CALCULATED
A deterministic calculation completed, but no acceptance criterion exists for this step. CALCULATED does NOT mean PASS.
RESULT NOT VALID
Runtime executed but engineering validity requirements were not met.
INCOMPLETE
Required inputs or workflow steps are incomplete.

The overall decision reflects only validation steps. Calculation steps produce numerical results without pass/fail claims.

WHEN TO USE THIS TOOL

  • When deterministic Building Integrated PV Module engineering verification is needed for project-specific conditions.
  • For calculation of Calculate AC-coupled round-trip efficiency (Step 1).
  • For calculation of Calculate DC-coupled round-trip efficiency (Step 2).
  • For calculation of Compute round-trip efficiency penalty of AC coupling (Step 3).
  • For deterministic pre-checks before formal engineering review or submission.

When NOT to use this tool: This tool does not replace laboratory testing, formal engineering analysis by a licensed professional, or code-compliance certification. It performs deterministic threshold comparison and calculation only.

ENGINEERING FAQ

What does this verification tool check?

This tool performs 3 deterministic engineering steps: (1) Calculate AC-coupled round-trip efficiency, (2) Calculate DC-coupled round-trip efficiency, (3) Compute round-trip efficiency penalty of AC coupling.

What does a CALCULATED result mean?

A CALCULATED result means the deterministic calculation completed, but no acceptance criterion is applied to this step. CALCULATED does NOT mean PASS.

What is not currently verified by this workflow?

Capabilities not currently verified include: Electrical interface compatibility assessment, Thermal interface point identification, DC bus voltage matching assessment, Single-point DC isolation risk scoring, Independent BESS dispatch capability scoring.

How many steps are golden verified?

0 out of 3 steps have been verified with deterministic golden test cases.

COMPONENT TOOLS

This workflow currently contains no bound executable Small Tools. Steps are defined by engineering methods and reference materials.

CalculationWorkflow StepRound-trip efficiency penalty quantification for AC-coupled BIPV-BESS
CalculationWorkflow StepRound-trip efficiency penalty quantification for AC-coupled BIPV-BESS
CalculationWorkflow StepRound-trip efficiency penalty quantification for AC-coupled BIPV-BESS

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