Blog
Field notes, release write-ups, and the occasional waveform obsession.
- November 2026
Why PMUs miss data center oscillations—and what continuous waveform recording fixes
Aliasing, phasor filter attenuation, and compliance blind spots above a few hertz, with an interactive oscillograph of the ERCOT 23 Hz event and how to architect point-on-wave monitoring.
- November 2026
NERC's Level 3 alert on computational loads: seven actions and how they are becoming interconnection requirements
The seven Essential Actions, how the draft CLO and FAC standards enforce them, and how ERCOT, MISO, PJM, and utilities are writing EMT and ride-through requirements for data centers.
- October 2026
Typhoon HIL vs RTDS for AI load smoothing: testing the stack from power supply to point of interconnection
What a smoothing test has to represent, what PNNL's 300 MW BESS study means for test design, and where each simulator fits—layer by layer.
- October 2026
Real-time simulation in practice: RTDS testing, time-steps, and how it compares to OPAL-RT and Typhoon HIL
Choosing and defending a time-step, switch-model tradeoffs, PHIL stability, published HVDC and microgrid case studies, and a side-by-side comparison of the three major platforms.
- October 2026
NVIDIA DSX for power engineers: what the AI factory playbook asks of the grid
The 34.5 kV reference one-line, twelve BESS qualification tests, rack power smoothing, MaxLPS, and DSX Flex grid signaling—plus the documents worth opening.
- October 2026
Open Compute from the grid side: busbars, sidecars, and the first ride-through spec
48 V racks, ±400 VDC sidecars, 800 VDC, and OCP's new disturbance-performance spec for data center ride-through—plus the documents an infrastructure engineer should have open.