Helpful Excel Spreadsheets for Protection Engineers

Helpful Excel Spreadsheets for Protection Engineers

By these spreadsheets below, you can make your endless calculations much easier!

  • Calculation of IDMT Over Current Relay Settings (50/51/50N/51N)
  • Calculation model for thermal relay Siemens 7SJ64
  • Motor Protection Relay Selection Curves
  • Over-current protection – INVERSE TIME O/C PROTECTION CALC – 51(N) – Directional OC – Primary & secondary current calculation
  • Filter Design Calculation
  • P63x Differential CurrentsCalculation MiCOM P634/P633/P632
  • Calculating the operation current in Bias Differential Relays MiCOM P633
  • TMS Calculate

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DIGSI 4 Training

SIPROTEC 4 devices can be parameterized and operated via DIGSI 4 software. SIPROTEC 4 is considered the standard for numerical protection systems in all fields of application. The SIPROTEC 4 device series implements the integration of protection, control, measuring, and automation functions optimally in one device.

The material of the DIGSI 4 course is designed to help you to be a professional in this field. Nothing beats hands-on learning from an engaging instructor who gives you the information you need.

DIGSI 4 Online Training


  • Part 1: How to install DIGSI 4 (Length: 00:01:57)
  • Part 2: Introduction to SIPROTEC Relay Families (Length: 00:06:50)
  • Part 3: Wiring Connection (Length : 00:03:02)
  • Part 4: Start with DIGSI (Length: 00:19:12)
  • Part 5: Archive, Export, Import (Length: 00:12:36)
  • Part 6: Masking I/O (Length: 00:11:00)
  • Part 7: Masking I/O (Length: 00:04:51)
  • Part 8: Masking I/O (Length: 00:13:08)
  • Part 9: Default and Control Display (Length: 00:16:21)
  • Part 10: CFC (Length : 00:11:57)
  • Part 11: CFC and Implementation of experimental example (Length : 00:07:59)
  • Part 12: CFC Interlocking Example (Length : 00:04:26)
  • Part 13: CFC Protection Example (Length : 00:04:13)
  • Part 14: CFC Explanation of all blocks (Length : 00:11:01)
  • Part 15: Power system data 1 (Length : 00:08:34)
  • Part 16: Setting Group (Length : 00:19:13)
  • Part 17: Oscillographic Fault Recorders (Length: 00:03:06)
  • Part 18: General Device Settings (Length: 00:04:39)
  • Part 19: Time Synchronization and Interfaces (Length: 00:03:40)
  • Part 20: Device Driver and Firmware Update (Length: 00:09:04)
  • Part 21: Config SIPROTEC relay in a Practical Project (Length: 00:14:36)

DIGSI 4 video training demo:

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PSCAD Training for protection engineers

PSCAD is the abbreviation of Power systems computer-aided design which is used to design and simulate power systems. The master library in the PSCAD contains many molding of the electrical power system which we use in our projects. This package Includes collected videos from different resources that save you a lot of time.

  • Language: English
  • Total length: 4 hrs
  • Format: Recorded Video
  • Trainer: Dr. Saeed Roostaee (Profile on Linkedin)
  • The training link and activation code will be sent to your email immediately after payment

Pack Details:

Part 1: This part consists of 4 sections and the total length is 40 minutes. In this part, a simple three-phase AC 0system is simulated. Different elements and their parameters are explained in detail.

Part 2: In this part, a distance protection scheme is presented in detail. This part consists of 4 sections and the total length is 41 minutes.

Part 3: This part presents the Digital fault recorder in PSCAD and how to config the recorded signals in a fault analysis tool (SIGRA). This part consists of 2 sections and the total length is 32 minutes.

Part 4: This part presents several relay study cases. This part consists of 2 sections and the total length is 16 minutes.

Part 5: This part presents the impedance-based fault location function and how to test this function in a relay. Both single end and double end methods are explained and the process of testing this function using PSCAD, SIGRA are presented in detail. An experimental study has been carried out where several faults in different locations are simulated in PSCAD, The Comtrade file of each is loaded in the Omicron test universe and the associated voltage and current are injected into the SEL 421 (Distance relay) to test the relay fault location. This part consists of 5 sections and the total length is 92 minutes.

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