Saudi Arabian Grid Code May 2024

Conditions of Monitoring and Recording Equipment 4.6.5.1 The TSP shall provide SCADA outstation interface Equipment. The User shall provide such voltage, current, frequency, Active Power and Reactive Power measurement outputs and Plant status indications and alarms to the TSP SCADA outstation interface Equipment as required by the TSP in accordance with the terms and conditions of the relevant Connection Agreement. 4.6.5.2 Active Power and Reactive Power measurements, circuit breaker and Disconnector status indications from Generating Units must each be provided to the TSP on an individual Generating Unit basis. 4.6.5.3 The manner in which information is required to be presented to the outstation Equipment shall be set out in the relevant Connection Agreement. 4.6.5.4 The TSP shall provide Data Acquisition Systems, Disturbance Recorders, and/or Event Loggers (as the case may be) for recording the performance of the Transmission System. 4.6.5.5 Monitoring Equipment shall be provided on the Transmission System by the TSP to monitor the System dynamic performance. 4.6.6 SCADA Systems 4.6.6.1 The SCADA system should be capable of exchanging the System status and data from the TSP to the User, and vice versa. 4.6.6.2 Participants shall interface via the standard digital interfaces. Interface cabinets shall be installed in the Participant’s Plant and Equipment room. The provision and maintenance of the wiring and signaling from the Participant’s Plant and Equipment to the interface cabinets shall be the responsibility of the Participant. 4.6.6.3 The information exchange shall support data acquisition from remote terminal units (RTUs). The TSP should be able to monitor the system status and data via telemetry from the RTUs connected to the Users’ Plant. Chapter 4 - Operating Code The Saudi Arabian Grid Code Updated Version: May 2024 4.6.6.4 The TSP shall have the capability to deactivate and reactivate the scanning of a given RTU, as well as the capability of monitoring the availability of all RTUs from a central location. 4.6.6.5 All communication facilities (including SCADA) shall be secured against unauthorized access. The TSP shall agree with the User, the procedures governing security and access to the User’s SCADA, computer, and communication facilities. The procedures shall allow access to the Equipment and information by the TSP or its nominated representative(s) for the purposes of maintenance, repair, testing, and reading of meters. Contingency Planning 4.7.1 Introduction 4.7.1.1 In Emergency situations, the Security of the Transmission System can come under abnormal stresses and the electricity supply systems can suffer Partial or Total Shutdown. To deal with such eventualities, and to ensure that the System gets back to its normal state as quickly and safely as practicable, the instructions and procedure established in this section shall be followed by the TSP and Users. 4.7.1.2 The TSP shall include Generators providing Black Start capability in conducting System-wide training and drills, as considered necessary by the TSP to re-Energize the Transmission System following a Partial or Total System Shutdown. 4.7.1.3 Any emergency drills conducted by either the TSP or the User shall be coordinated between the TSP and the relevant User, and also with any other Affected User(s). 4.7.2 Objective The objective primarily is to ensure that in the event of a Partial or Total Shutdown of the Transmission System, normal supply is restored to all the Users as quickly and safely as practicable in accordance with Good Industry Practices.