Pt ct module the pt ct module is comprised of six different types to accommodate varies ct tap and setting ranges. Use of standard ct and pt while testing a given ct and pt. We encourage everyone to select the pdf transcript order option if eligible, please expect delays in delivery if paper hardcopy transcript option is selected. The cuny assessment test in mathematics also known as the cat in mathematics, or the compass math test is an untimed, multiplechoice, computerbased test designed to measure students knowledge of a number of topics in mathematics. The fi rst three sections of this text provide information on physics, patient care, and crosssectional anatomy necessary to understand and carry out ct examination protocols. Inr international normalized ratio stands for a way ofstandardizing the results of prothrombin time tests, nomatter the testing method. I am not going to go in depth in this post about testing the cts and pts, that is. This new ctpt testing set are based on low frequency and variable frequency methods which lead to the great reduction in weight and high knee point test range. Between the phase and the ground primary of the voltage transformer is connected. A voltage transformer concept or potential transformer concept is the same as a theory of basic step down transformer. Cts and pts are listed below, as well as in the ieee standards manual, c57. Jul 29, 2017 a voltage transformer concept or potential transformer concept is the same as a theory of basic step down transformer. The office of instructional testing at bmcc supports the college community by. Rating factor rf is a term, which applies to a current transformer.
Our computed tomography exam secrets study guide will teach you what you need to know, but our study skills bonus will show you how to use the information to be successful on the computed tomography test. Gf106 ctpt tester is mainly used for field testing, it can finish the measurements m and protection p class ct, pt and typ class ct. Some sample catw reading passages queensborough cc. Cuny assessment test in writing catw student handbook. Trouble shooting of all electrical circuits, control and protection circuits coordination with client in as built scheme drawing submission, test report submission. If the wiring looks good, lets move on to the cts and pts. The auxiliary ct is installed as close as possible to the current transformers. Ctpt test equipment ct pt analyzer manufacturer from. Instrument transformer basic technical information and. Ct analyzer with one button click all test items, such as excitation, winding resistance, polarity, phase error, ratio, etc, can be performed automatically.
So your doctor can understand results in the same wayeven when they come from different labs and differenttest methods. Disconnect all power prior to testing and connect the analog voltmeter to the secondary terminal of the ct to be. Cv engineer electrical testing and commissioning ht, lt. Manufacturer of ct pt test equipment ct pt analyzer, ct and pt testing, electrical testing solutions and hv ct ratio tester offered by greenwatt techno solutions private limited, gurgaon, haryana. Ctpt auto test a systematic way to increase the efficiency, productivity of the ctpt testing department.
Burden artificial load for voltage and current transformers electronically compensated current and potential burden according iec 60044 and ansiieee c57. Adopt lcd, selfequipped mini type printer supporting field printing. Markings on current transformers ct and potential transformers pt have been occasionally misapplied from the factory. Current transformer burdens that meet the ansi specifications can also be provided. The transformation ratio of the current transformer is always remained high, whereas for the potential transformer its remains low. The ptct module only installs in slot f in the pcd case see figure 6.
For the ct, vt and pt ratio measurement, the following applies. Hence, this section is intended to be a culmination of the sections that precede it. The cofcxm550 outdoor current transformer is rated for use on 115,000 volt systems with 550kv bil. Borough of manhattan community college graduate nyc. The ptct module accepts four voltage inputs and four current inputs as shown in figure 1. Lift ct secondaries and inject 3phase current with test set. In its application to a current transformer, it is the number representing the amount by which the primary load current may be increased over its nameplate rating without exceeding the allowable temperature rise. Gw ctpt analyzer is an all in one solution for testing all type of ctpt as per iec standards. This oilfilled current transformer will operate with high accuracy for metering or relay applications. Burden testing is important to verify that ct is supplying current to a circuit that does not exceed its burden rating. Hgqbc transformer calibrator is simple, intuitive readings, measure quickly, can reduce energy consumption, reduce labor intensity. Manufacturer of ctpt test equipment ct pt analyzer, ct and pt testing, electrical testing solutions and hv ct ratio tester offered by greenwatt techno solutions private limited, gurgaon, haryana. Below features make gw ctpt analyzer and ideal tool for ctpt manufacturer, testing labs, substations upto 765kv, power plants etc.
The mrct will directly connect to multi ratio cts and perform all tests. The ability to learn faster will accelerate the progress you make as. Page 1 computed tomography notes, part 2 practical considerations in ct sampling ct the c meaning computed relies on the sampling of projection data for processing on a computer. Ct pt testing manufacturers in india udeyraj electrical. Ctpt test equipment ct pt analyzer manufacturer from gurgaon. A dedicated land line into the metering enclosure is required for the revenue meter. This testers have big display lcd screen with human computer dialogue operation. New ctpt testers are based on low frequency and variable frequency methods which lead to the great reduction in weight and high knee point. Computed tomography notes, part 2 practical considerations. Udey testers are the first choice for many electrical power utility companies.
Get info of suppliers, manufacturers, exporters, traders of current transformer test set for buying in india. Ct s are expected to provide the secondary output current based upon their accuracy class. Placement, advising, and registration faqs blue mountain. Ct pt auto test a systematic way to increase the efficiency, productivity of the ct pt testing department. Our ctpt tester is a microprocessor operated digital instrument. This new ct pt testing set are based on low frequency and variable frequency methods which lead to the great reduction in weight and high knee point test range. Current transformer testing on site presentation calmet. Admittance testing verifies ct installation integrity radian research. You may take your placement assessments at any bmcc location. The following values can be determined using the ctpt analyzer. Please continue to monitor bmcc and cuny regarding covid19 updates.
Secondary terminal voltage which the ct must maintain within the c rating which is 200v in this example. T2000 test set for testing cts, pts, primary injections. If your assignment is form 1, proceed to gather the materials needed to administer the connecticut alternate science assessment performance tasks for storylines 1, 3, and 5. Connecticut alternate science field test required materials.
Covid 19 release power parameters are staying abreast of the fast moving status of covid19. The pt ct module only installs in slot f in the pcd case see figure 6. Dec 16, 2016 look at the wiring on the cts and pts. Testing of ct, pt, cvt, circuit breaker, switch gear and power transformer operation and maintenance of power plant and substation.
The normal range of the current transformer for measuring the current is 5a or 1a whereas the standard voltage at the secondary winding of the potential transformer is up to 110v. The model 505 transformer analyzer is designed for testing current transformers ct and potential transformers pt without interruption of the customers service. Be sure to contact the bmcc location you plan to take your assessments at to find out what their available testing center hours are. This reduces the ct burden by reducing the length of the ct secondary current conductors. The presence or absence of ac current in the ct primary is unlikely to affect the admittance readings by more than 1. Sep 04, 2016 new ct pt testers are based on low frequency and variable frequency methods which lead to the great reduction in weight and high knee point test range. Ptct module the ptct module is comprised of six different types to accommodate varies ct tap and setting ranges. The city university of new york cuny has partnered with parchment as the service provider to process all cuny institutions transcript orders online.
From a maintenance and testing program to a maintenance program which includes at least one of the following activities. This instrument measures ct admittance, ct ratio, ct primarytosecondary phase angle. The pt ct module accepts four voltage inputs and four current inputs as shown in figure 1. May 04, 20 inr a pt test may also be called an inr test. Ctpt auto test, current transformer auto test, potential. Our key priority is always the health, wellbeing and safety of our staff as well as ensuring business continuity of power parameters operations. Cv engineer electrical testing and commissioning ht, lt, ct. No personal items, including cell phones, food or drinks are allowed during testing. Is this depicted on a drawing or in a standard manual. Ct imaging increasingly relies on the integration of a variety of knowledge and skills. February 2016 personal update without changing the contents here except one paragraph or so, cleaning up some formatting and adding tags, ill mention that the major break in posting anything between june 29, 2014 and early 2016 came because my personal situation heated up so much after i went public on fiduciary abuse by an older sister. Where land line is not available, and cellular cell signals are acceptable, the use of cellular phone is acceptable.
Bmcc badarpur management contract cell, a subordinate office of ministry of power. Professionalproviderofpowertestinginstrument pct200seriesct. If the meter phone line cannot be dedicated to the meter, the generating. Ct shorting terminal strips the illustration below shows the termination of a multi ratio ct on a special shorting terminal strip. Find here online price details of companies selling current transformer test set. Improper wiring is one of the biggest causes of lost revenue with a form 9s metering installation. The following values can be determined using the ct pt analyzer. Current transformer test set at best price in india. It is an equipment with high roi return on investment. During the summer months all bmcc locations are closed on fridays. Ctpt analyzer standard gf106 ctpt analyzer is mainly used for. Current transformer testing ct i wrote an article for the neta world magazine in 2004 that covers several different manual techniques for current transformer testing that should help even the most experienced technicians. Adopt lcd, selfequipped mini type printer supporting. If your assignment is form 2, proceed to gather the materials needed to administer the connecticut alternate science assessment performance tasks for storylines 2, 4, and 6.