Ev Seismic Pga Estimate

Estimate Peak Ground Acceleration from EV charger power quality.

Converts voltage sag and frequency deviation into PGA (g) using empirical scaling, corrected for NEHRP site class amplification.

Pricing: Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

Request body::

{
    "voltage_sag_pct": 5.2,
    "frequency_deviation_mhz": 35.0,
    "site_class": "D"
}