Variations of Type 1 transformers may exist pending past records and age of units. Settings 152 3. Annunciator SACO 16D3. Measurement of Short Circuit and Impedance and Load Loss. This protects connected metering devices from overloading in the presence of fault level current flows. I am JE of Nagbhir sub station of 132/25 kv newly electrified section and testing started of current transformer when test CT ratio by injecting current in primary bushing of old CT which was 20 years old CT installed in circuit,after testing values not found according to ratio,100 amps inject and found in secondary terminal 3.9 amps please send me solution.

Operation, Maintenance, and Field Test Procedures for Protective Relays and Associated Circuits iii Acronyms and Abbreviations A ampere ac alternating current amp ampere ANSI American National Standards Institute BES bulk electric system CARMA Capital Asset and Resource Management Application CCVT coupling capacitor voltage transformers CO Here’s a guide to writing an effective test summary report: Charts and tables. Title: Microsoft Word - Cover Page Job Quality Assurance Plan.doc Like a Research Report Format, there are specific labels and details that you have to include in order for it to be effective. Testing Manual for Electrical Equipment Nahed Al-Hajeri 1and Anantha Madhavan 2 Abstract Quality Assurance (QA) refers to a program for the systematic monitoring and evaluation of the various aspects of a project, service, or facility to ensure that standards of quality are being met. Reveals the presence of moisture resin, varnishes or other products of oxidation oil or of foreign contaminants such as motor oil or fuel oil. LCC & GIS . Comments are welcome. Digital Power Meter. CUSTOMER : KVA HV LV HV CURRENT LV CURRENT VECTOR TAPPING Conductor 25 11000 433 1.31 33.34 Dyn11 NA Aluminium 1 Measurement of Voltage Ratio & Vector Group 9 225 The wave-form of the test voltage shall be an approximately sinusoidal wave. Test Report is needed to reflect testing results in a formal way, which gives an opportunity to estimate testing results quickly. For ideal insulation, the phase angle is 90 degrees, but in practice, no insulation is ideal. current range designated. VT Loop Test. Annunciatior RTK P725. The Dissipation test measures the leakage current through an oil, which is the measure of the contamination or deterioration i.e. Hence it become important to test them before using it.

As power transformer is highly expensive as well as important part of distribution system. SAMPLE REPORT Test Sheet Template 145 12.

Testing of current transformers, voltage transformers or auxiliary transformers internal to the power transformer are not included in this SWP. A test report needs to be written in a specific format based on the relevant information that you wish to obtain.

As power transformer is highly expensive as well as important part of distribution system. CT Loop Test. transformers showing signs of minor non-serious overheating (re-test recommended in one year). : 11 Admission Date: 9/2/96 Date of Report: 9/14/96 … ... current and test data. Depending on the size of the transformer winding under test, resistance readings will be expressed as ohms, milliohms, or microhms.

Pickup Testing 154 4. Restrained-Differential Timing Test Procedure 330 Dis-connector & Earth Switch Timing Test. It is a document that records data obtained from an evaluation experiment in an organized manner, describes the environmental or operating conditions, and shows the comparison of test results with test objectives.

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