Towards Canada’s Transcontinental Supergrid: AC/DC Transmission Merge Solutions
Bibliographic record
Abstract
A major coordinated effort promoted to move clean electricity “freely from coast to coast” is related to Canada’s Transcontinental Supergrid interconnecting all its provinces through highest-quality power transmission. The proposed Canada’s Supergrid would enable and ensure reliability, resilience and energy security of each of the provincial transmission grids and the Transcontinental Supergrid as a whole. Supergrid presents the infrastructure for Canada’s emerging national electricity market. It is backed up by inter-regional scale wholesale experiences of the Australian National Electricity Market, European Internal Electricity Market and wholesale electricity markets administered by Regional Transmission Organizations in the U.S. For Transcontinental Supergrid planning, adjusted total transfer capability limits for interprovincial and international transmission paths are proposed to establish an interprovincial coast-to-coast transfer capability target. In Supergrid transmission planning, High Voltage Direct Current (HVDC) is seen as a key Supergrid segment leading in today’s AC/DC Transmission Merge. HVDC has demonstrated globally major improvements in its capabilities, increasingly needed to enhance the existing AC grid upgrade. HVDC multi-value makes it highly competitive technically and economically. High capacity, long-distance, controllable, multi-terminal HVDC technology is particularly valuable for transcontinental transmission across multiple jurisdictions. HVDC Back-to-Back (B2B) solutions for provincial interties and international interconnections present a compelling case for the Supergrid planning. A set of eight HVDC Voltage Source Converter (VSC)-based B2B stations, 4,860 MW in total, is proposed as a core Supergrid Solution to leverage prompt planning and deployment of Canada’s Supergrid.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.002 | 0.003 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.014 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".