A Power Quality Warrant asserts or requires that the power be of a certain quality or better. Quality Measure is a collection of Power Quality Indicators. The Quality Measure is placed in a WS-Calendar Artifact so it can populate a schedule. Abstract extension object for Power Qualities Collection of Power Qualities An identification of the standard or other protocol used to measure power quality. Sets definition for all other power attributes. Type of Abstract extension object for Power Qualities measured Power frequency, e.g. 50.4, 59.9, measured as per referenced measurement protocol. 0 for DC count of Supply Voltage Variations during the period, measured as per referenced measurement protocol count of Rapid Voltage Changes during the period, measured as per referenced measurement protocol count of Flicker Long Term events during the period, measured as per referenced measurement protocol count of Flicker Short Term events during the period, measured as per referenced measurement protocol Count of Supply Voltage Dips during the period, measured as per referenced measurement protocol Count of Short Interruptions during the period, measured as per referenced measurement protocol Count of Long Interuptions during the period, measured as per referenced measurement protocol Count of Temporary Overvoltage Events during the period, measured as per referenced measurement protocol count of Supply Voltage Imbalance events during the period, measured as per referenced measurement protocol. Not meaningful for DC. Harmonic Voltage during the period, measured as per referenced measurement protocol. For DC, distortion is with respect to a signal of 0 Hz, The period is usually much shorter than other power quality measures. Mains Voltage. Nominal value, e.g, 110, 130, 220, 208. See referenced measurement protocol for definition. A number indicating Mains Signaling Voltage, relating generally to power line communications systems. A string indicating the type of Assertion being made An identification of the standard or other protocol used to measure power quality. Sets definition for all other power attributes