Dc Shunt Generator

Listing ID #3794615

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Open Circuit TestObjective: To obtain the magnetization characteristic and therefore determine the critical field resistance and critical speed of the given dc shunt generator.Preview:The EMF....

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Open Circuit Test
Objective: To obtain the magnetization characteristic and therefore determine the critical field resistance and critical speed of the given dc shunt generator.
Preview:
The EMF induced in a DC machine is proportional to the flux per pole, the number of conductors and speed. This EMF depends on speed and flux. As the flux increases the EMF increases beyond a point the flux gets saturated. The BH curve of the core depicts the magnetization curve of the machine.

(A) Critical Speed of a DC Shunt Generator

Objective: To determine the critical speed of a dc shunt generator. With the fixed excitation and variable speed, as the speed reduces the OCC proportionally slides down so that the no load voltage reduces. At a particular speed, called the critical speed, the OCC is tangential to the Rf line and as a result the generator fails to excite.

Preview:
With the fixed excitation and variable speed, as the speed reduces the OCC proportionally slides down so that the no load voltage reduces. At a particular speed, called the critical speed, the OCC is tangential to the Rf line and as a result the generator fails to excite.

Equipment Required: All the measuring instruments associated with each experiment are industrial grade. These instruments are housed in an elegant cabinet as a package. Range of instruments and accessories (standard format)

1. 2HP Shunt machines mechanically coupled both are identical 220V 2HP 1500rpm.
2. 3-4 point DC Starter for the above
3. Suitable Loading rheostat
4. Digital tachometer
5. Suitable Double tube rheostat
6. Suitable Single tube rheostat
7. Suitable Digital Voltmeter DC
8. Suitable Digital Voltmeter DC
9. Suitable Digital Ammeter DC
10. Rectifier Unit 0-240V DC @ 1.5KVA with power failure protection.

Company Details

We are one of the leading exporters and manufacturer of Scientific Instruments, Laboratory Glassware, Laboratory Equipments. Our team strictly follows the quality control standards of ISO 9001:2008 series while designing, developing, manufacturing and delivering the scientific instruments. The manufacturing unit of Physilab is made with complete state-of-the-art equipments and technologies for producing high quality instruments which includes Laboratory Accessories, Astro Telescopes, Audio Visual Equipments, Chemistry Lab Instruments, Biological Models, Borosilicate Glass, Density Hydrometer, Dental Equipments etc. To know more details about our featured products range please have a look below.
We are one of the leading exporters and manufacturer of Scientific Instruments, Laboratory Glassware, Laboratory Equipments, Laboratory Research Instruments, Pharmacy & Pharmacology Instruments etc . We maintain a huge ready stock and offer wide range of products like Microscopes, Physics Apparatus, Chemistry Instruments, Laboratory Plasticware & Glassware, Biological Equipment, Anatomical Models, Pharmacy Equipment, etc.
Infrastructure And Facilities
The company has its own in-house manufacturing units, so as to have a control over the production and its quality. We also welcome custom designs, if any, so as to manufacture the product according to the requirement, specification and satisfaction of the customers.
The company has built and is operating manufacturing facilities that matches the latest systems and techniques in the industry. Our team strictly follows the quality control standards of ISO 9001:2008 series while designing, developing, manufacturing and delivering the scientific instruments. The manufacturing unit of Physilab is made with complete state-of-the-art equipments and technologies for producing high quality instruments.
The continuous cooperation of our tean hasd helped us to understand, design and deliver the scientific instruments from basic lab equipments to most sophisticated instruments for research labs. We believe that our tremendous success is the result of the support of our expert engineers, managers, co-workers and other significant team members who have put their best efforts in the growth of the organization. It is their dedication and commitment that makes us the most trusted scientific instruments brand among our all satisfied clients.