Closing the loop on gold hallmarking
Hallmarking proved that gold was assayed, but not which article was assayed. Here is a practical design to close that gap: purity codes, tracked samples and self-reporting instruments.
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Notes from the laboratory floor.
Analysis and practical guidance on hallmarking, energy, manufacturing policy and power systems, written by engineers for the people who build, test and run electrical systems.
What Indian industry really pays for electricity
In nominal dollars the tariff looks mid-table. Adjusted for purchasing power it is the highest of every economy compared, and higher than what Indian households pay.
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Five reforms the five-trillion-dollar economy depends on
From autonomy for utilities to a quality-led economy: five structural changes drawn from the electrical industry's own experience.
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Competing with China starts with components, not assembly
India's manufacturing gap is a problem of supply-chain depth. A sector-by-sector map of the core components to build first.
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Energy efficiency, digitisation and the grid
Notes from our interview with Schneider Electric India's head of R&D on distribution losses, AC and DC, IoT and cyber risk, and what we took from it.
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Specifying a distribution transformer
Rating, vector group, impedance and fault level, cooling, harmonics and paralleling: what each line of the data sheet actually decides.
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