LT Panel Logbook
Template and Types of parameters.


Contents
  1. LT panel logbook.
  2. Logbook format.
  3. Types of parameters.

1- LT panel logbooks:

LT panel logbook is a parameters note book where the required parameters are noted down in manually. The all parameters data is noted down in a frequency base according requirement as a hourly, 2 hourly, 4 hourly or per day.

We can observe the transformer condition on daily basis, monthly basis, quarterly basis and annually basis. If any parameters is not functioning according default value then we can check and find out the problem. If any fault is occurred suddenly then we can check log book data related fault.

2- LT panel logbook format :

LT panel health checklist: format, checkpoints and parameters.

3- Types of logbook parameters. :

Different types parameters are noted down in logbooks in technical system as per requirement. which below mentioned.

  • Date and time.
  • All phase incomer voltage.
  • All phase current.
  • Frequency.
  • Power factor.
  • All feeders current.
1- Date and Time:

Date and time is the most important in log book. If we want to know about exact parameters from last week then we can easily find out.

2-All phase incomer voltage.

HT energy consumption is taken from HT meter in the format of KVAh. Many reading are available in HT meters but billing is processed in KVAh formate.

3- All phase current.

Ones time recorded highest load limit is called a maximum demand. It should be low in against of section load. Section load is the highest load of premises which has to be approved from electricity board authority.

4- Frequency.

HT voltage is received from electricity board according HT connection like as 11KV or 33KV. If the voltage is receiving as low or high against 11KV or 33 KV then we will have to increase or decrees from substation.

5- Power factor.

Premises total load is checked in HT panel through amp meter. R, Y and B phase amp are taken for checking load and unbalance load.

5- All feeders current.

Line power factor should be .98 of .99 . If the power factor value is low as .85 then energy consumptions will be 100 present but actual energy will be used only.85 % . It means 15 % energy losses so power factor value is important for system.


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