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Module 2: Fundamentals of Electricity
Electric Theory, Quantities and Circuit Elements Current Alternating Current (AC) continuously changes in magnitude and direction. •AC is used by most lights, appliances and motors. It is used in the high voltage transmission system •AC enables use of transformers to change voltage from high to low and back
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Major WECC Transfer Paths in the Bulk Electric System Used ...
www.wecc.orgPage 1 of 1 Table Major WECC Transfer Paths in the Bulk Electric System Used in Standards FAC-501-WECC-1, PRC-004-WECC-1, and TOP-007-WECC-1 (Revised September 19, 2007)
IEEE Device Numbers - WECC
www.wecc.org3 89 Line Switch 90 Regulating Device 91 Voltage Directional Relay 92 Voltage and Power Directional Relay 93 Field Changing Contactor 94 Tripping or Trip-Free Relay 95 For specific applications where other numbers are not suitable 96 Busbar Trip Lockout relay 97 For specific applications where other numbers are not suitable 98 For specific applications where other …
Solar Photovoltaic Power Plant Modeling and Validation ...
www.wecc.orgDec 09, 2019 · A power flow model based on station equipment and an equivalent representation of the collector system, and A dynamic model representing a scaled-up version of the typical solar PV inverter in the plant. To accurately capture the behavior of a solar PV plant, both the power flow representation and
Overview of System Operations - WECC
www.wecc.orgSituational Awareness & Infrastructure Security Standards Development 5(a)(ii) Standards Review & Approval Standards Interpretation Standards Library Compliance Monitoring Compliance Enforcement & Mitigation Compliance Audits Compliance Tools & Resources Compliance Training & Outreach Compliance Violation Statistics WECC Organizational Review
WECC Power System Stabilizer Tuning Guidelines
www.wecc.orgexcitation system is critical in the overall capability of a PSS. Tuning of a PSS shall only be accomplished after the excitation system has been tuned and calibrated. On new equipment, PSS may be software incorporated in digital automatic voltage regulators. AVR terminal voltage and current measurements are used to compute
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