Project features



Sep 2022

Aug 2024




North China Power Engineering Co., Ltd.

ACWA Power signed an investment agreement with the MoE to design, finance, build and operate 2x500 MW wind farms - Bash WPP and Dzhankeldy WPP. The Client hired Juru to do the following scope of work:

  • 2x500 MW Bash & Dzhankeldy wind farms: Comprehensive Engineering Review and permitting support 
  • 2x500 kV AIS Substation detail design
  • 2x 500 kV OHTL detail design - ca. [162.5] km OHL between Karakul 500 kV S/S and Bash WPP and ca. [128.5] km OHTL between Bash WPP and Dzhankeldy WPP
  • Power system studies for the integration of Bash & Dzhankeldy wind farms

Services provided

500 MW Wind Farm: Comprehensive Engineering Review and Permitting Support

  • Detailed review of the Basic and Detailed Design (DD) documentation prepared by the Client for compliance with local standards and codes
  • Support DD review and facilitate the approval process by the Ministry of Construction (MoC)
  • Support the Client in the content and interface management for the design documentation development
  • Comprehensive engineering design review of wind farm substation and wind farm area
  • Conduct fire hazardous area categorization study and preparation of project plot plan
  • Perform relay setting calculation & protection coordination study for Wind Farm
  • Comprehensive permitting support to obtain construction permit prior to construction activities

2x500 kV AIS Substation Detail Design

  • Basic engineering design, BoQ and costing:
    • Develop design criteria for each discipline
    • Develop telecommunication structural diagram, automatic metering infrastructure, network topology
    • Perform short circuit, load flow, HV/LV equipment, DC&UPS and ACSR & cable sizing calculations
    • Prepare technical specifications & datasheets for HV/LV equipment, DC&UPS relay protection, SCADA, telecommunication, AMI, CCTV devices and etc.
    • Develop control building layout, HVAC, civil & architectural conceptual design
  • Procurement support including technical evaluation of offers received, clarifications and negotiation support
  • Detailed Design and final BoQ including: 
    • Substation primary electrical engineering, equipment installation detailed drawings
    • General layout, civil & architectural engineering, water supply and sewage, HVAC
    • Communication structure of dispatch telephone communication and interconnection with neighbouring substations through HF (PLCC) communication and OPWG communication based on IP/IMPLS
    • CCTV equipment and network
    • Develop start-up and normal scheme for commissioning, perform relay settings & protection coordination study
  • Firefighting and fire alarm system basic and detail design

2x 500 kV OHTL Detail Design of ca. [162.5] km and ca. [128.5] km each 

  • Calculate mechanical and sag tension of power transmission line, towers and foundations selection using Lira SAPR LEP Software
  • Prepare detailed drawings, clearance verification, BoQ and specification

Power system studies

  • Grid impact study
  • Static and Dynamic Stability Study and Emergency Control Automation (ECA) design
  • Switching transient (EMTP) studies
  • Insulation coordination study
  • Arc-flash studies for each whole wind farm
  • Sub-resonance analysis 
  • Relay setting calculation and protection coordination study