Phasor Measurement Unit Project (Project No. 200140)


SCH Number
Public Agency
Imperial Irrigation District
Document Title
Phasor Measurement Unit Project (Project No. 200140)
Document Type
NOE - Notice of Exemption
Document Description
The Phasor Measurement Unit-TEAM system will provide real time alarms for phase angle limits and enable Transmission System Operators to detect and address voltage instability as well as assist the Transmission Planning & Engineering sections to validate and calibrate dynamic models and run transient system stability analysis. Implementing this project will allow for immediate accessible data collection. TEAM software will also allow for continuous background monitoring and reporting. Project will be located throughout IID's service territory. The project will include engineering services by Schweitzer Engineering Labs and equipment installation by IID personnel at fourteen different sites. The installation of this equipment will provide phasor measurement information to Transmission Planning & Engineering for NERC requirement MOD-33-1 steady state and dynamic model validation. On July 1, 2017, the new NERC reliability standard MOD-033 became effective with the purpose of validating system models during steady state and dynamic operations. While steady state conditions can be validated with historical data that originated as SCADA data (1 measurement every 2-6 seconds), the dynamics of system models are validated against high frequency data (30 measurements/sec or higher). The acquisition of this high frequency data is necessary to maintain compliance with this new standard. The standard requires periodical model validation, which stresses the collection of all possible PMU data. This will allow for the gathering of fault data remotely from the engineering support groups.

Contact Information

Donald Vargas
Agency Name
Imperial Irrigation District
Contact Types
Lead/Public Agency

Agency Name
Imperial Irrigation District
Contact Types
Project Applicant


Imperial, Riverside
Cross Streets
Parcel #
Other Location Info
See project location sites map attached to NOE
Other Information
See project location sites table attached to NOE

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
The project entails the installation of small new equipment and facilities in small structures; and the conversion of existing small structures from one use to another where only minor modifications are made in the exterior of the structure


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