FORM 2
THE PATENTS ACT, 1970
(39 of 1970)
As amended by the Patents (Amendment) Act, 2005
AND
The Patents Rules, 2003
As amended by the Patents (Amendment) Rules, 2005
COMPLETE SPECIFICATION (See section 10 and rule 13)
TITLE OF THE INVENTION
An auto test bench system for kiosk type panel testing
APPLICANTS:
Crompton Greaves Limited, CG House, Dr Annie Besant Road, Worli, Mumbai 400 030, Maharashtra, India, an Indian Company.
INVENTOR (S):
Kshemkalyani Sanjay, Bagad Pradeep and Deshpande Pradeep; all of Crompton Greaves Limited, Switchgear (S2) Division, Switchgear Complex, Crompton Greaves Limited, A3, Ambad, Nashik, Maharashtra, India; all Indian Nationals.
PREAMBLE TO THE DESCRIPTION :
The following specification particularly describes the nature of this invention and the manner in which it is to be performed:

Field of the Invention:
This invention relates to testing systems.
Particularly, this invention relates to testing systems for switchgear panel testing.
More particularly, this invention relates to an auto test bench for kiosk type panel testing.
Background of the Invention:
Switchgear components are electrical and electronic components which are shipped to a client only after testing. The testing may include multiple cycles of a single test or a single cycle of miltiple tests or multiple cycles of multiple tests.
A plurality of standard tests have been defined for each switchgear equipment in order to standardize the switchgear product. The testing equipment may include vacuum circuit breakers, relays, meters, indicating lamps, anti-pumping devices and other accessories.
Tests conducted on panels are Control circuit test and Primary Injection test, mV drop test, and HV test. All these tests are conduced with the help of single phase current injection source. Time required to complete the all tests is nearly 4-hrs and need various test setups like three phase voltage source, three phase current source, and 110V AC single phase source.
Also, sometimes, according to customer requirement, customer specific electrical scheme simulation needs to be done. This means that test parameters need to be

altered and tweaked in order to prove performance. Since, most of the testing is in analog format, additional time for preparing setup with various input sources to be connected to the switchgear equipment or panel to be tested is required.
Additionally, monitoring the result of each test, recording non conformities, retesting after repair and declaring the test result is very complex, time consuming and error prone exercise. The probability of operator skipping a test may result in failure of equipment or panel at site.
Therefore, there is a need for a testing system which overcomes above said constraints so as to provide an integrated device, capable of providing required current, voltage and which shall be able to control, monitor, record complete test sequence and declare the test result.
Objects of the Invention:
An object of the invention is to provide a digital testing system.
Another object of the invention is to provide a testing system with multiple electrical inputs of varying capabilities.
Yet another object of the invention is to provide a human-error-free testing system.
Still another object of the invention is to provide a faster testing system which is more reliable.

An additional object of the invention is to provide a testing system with a plurality of tests and test configurations in a selectable manner.
Yet an additional object of the invention is to provide a foolproof testing system.
Still an additional object of the invention is to provide a testing system which annunciates test results.
Another object of the invention is to provide a standardized testing system to conduct standardized tests.
Yet another object of the invention is to provide a testing system which records the defect identified during testing.
Still another object of the invention is to provide a testing system which results in de-skilling of testing activity.
An additional object of the invention is to provide an user-friendly testing system which results in less handling of different sources of inputs.
Yet an additional object of the invention is to provide a testing system which result sin guaranteed satisfaction of customer inspection of a product that is tested using the testing system.

Summary of the Invention:
According to this invention, there is provided an auto test bench system for kiosk type panel testing, said system comprises:
a. coupling means adapted to couple a panel said system;
b. testing means adapted to conduct tests selected from a plurality of tests on
said panel;
c. settings means adapted to set parameters for each of said tests;
d. output means adapted to receive output from said panel which is to be tested;
e. control logic adapted to receive each output, check for validity of each
output in accordance with pre-defined user setting, and to confirm validity or
score of each test; and
f. enunciator means adapted to annunciate results of each test by means of
visual display or audio alarm or both.
Typically, said coupling is electrical coupling.
Typically, said coupling is input and output electrical coupling.
Typically, said testing means includes a plurality of testing means, each testing means adapted to conduct a test selected from a group of tests consisting of Power pack checking test, AC circuit check test, Indication lamp and TCS check test, Closing circuit checking - local position test, Tripping circuit checking - local position test, Anti-pumping checking test, Closing circuit checking - remote position test, Tripping circuit checking - remote position test, NO / NC contact checking test, Metering and protection circuit checking test through 3-phase voltage and current injection, Customer specific test, Balance voltage, balance

current - no trip test, Balance voltage, unbalance current - no trip test, Unbalance voltage, balance current - no trip test, Unbalance voltage, unbalance current -trip test, Auto-reclosing sequence checking test.
Preferably, said control logic is a PLC control logic.
Brief Description of the Accompanying Drawings:
The invention will now be described in relation to the accompanying drawings, in which:
Figure 1 illustrates a schematic of auto test bench for kiosk type panel testing; and
Figure 2 illustrates a sequential flow of tests adapted to be performed by the auto test bench of Figure 1.
Detailed Description of the Accompanying Drawings:
According to this invention, there is provided an auto test bench for kiosk type panel testing. The test bench includes a plurality of testing means incorporated within itself so that when a panel to be tested is attached to the auto test bench, the tests can be sequentially and automatically lined for the panel and carried out one after another. In case, there is an error, the testing will stop. Results of each test are recorded one after another.
Figure 1 illustrates a schematic of auto test bench for kiosk type panel testing.

In accordance with an embodiment of this invention' there is provided a coupling means (CM) adapted to couple a panel (P) to the auto test bench (ATB). The coupling is electrical coupling. There are 32 wires provided which are adapted to be connected to the panel. These wires are for inputas well as output.
Figure 2 illustrates a sequential flow of tests adapted to be performed by the auto test bench of Figure 1,
In accordance with another embodiment of this invention, there is provided a testing means (TM) adapted to conduct tests selected from a plurality of tests. The tests are listed as under:
1. Power Qack checking test (10)
2. AC circuit check test (20)
3. Indication lamp and TCS check test (30)
4. Closing circuit checking - local position test (40)
5. Tripping circuit checking - local position test (50)
6. Anti-pumping checking test (60)
7. Closing circuit checking - remote position test (70)
8. Tripping circuit checking - remote position test (80)
9. NO / NC contact checking test (90)
lO.Metering and protection circuit checking test through 3-phase voltage and
current injection (100) 11. Customer specific test (110)
12.Balance voltage, balance current -no trip test (120) 13.Balance voltage, unbalance current - no trip test (130) 14.Unbalance voltage, balance current - no trip test (140)

15.Unbalance voltage, unbalance current -trip test (150) 16.Auto-reclosing sequence checking test (160)
In accordance with yet another embodiment of this invention, there is provided a settings means (SM) adapted to set parameters for each of said tests. Each test may have a range of parameters which are user-selectable or user-changeable. Thus, as the specifications of the panel to be tested changes, the settings means may allow changes to the auto test bench so that testing is done in accordance with those parameters,
In accordance with still another embodiment of this invention, there is provide an output means (OM) adapted to receive output from the panel which is to be tested.
In accordance with an additional embodiment of this invention, there is provided a control logic (CL) adapted to receive each output, check for validity of each output in accordance with pre-defined user setting, and to confirm validity or score of each test. If a test in the sequence of test fails, testing may stop, there itself. Or testing may continue and the passed test results and failed test results may be seen separately. The control logic may be a PLC control logic.
In accordance with yet an additional embodiment of this invention, there is provided an enunciator means (EM) adapted to annunciate results of each test by means of visual display or audio alarm or both.
The auto test bench is controlled and monitored by PLC logic controller (preprogrammed sequence) which conducts all the tests sequentially. It draws

power from sources by switching contactors, checks the test acceptance criteria by feedback of various inputs, declares failure status on enunciator and displays the final result on display.
This is a single setup for complete sequence testing including 3-phase primary injection of voltage and current.
While this detailed description has disclosed certain specific embodiments of the present invention for illustrative purposes, various modifications will be apparent to those skilled in the art which do not constitute departures from the spirit and scope of the invention as defined in the following claims, and it is to be distinctly understood that the foregoing descriptive matter is to be interPreted merely as illustrative of the invention and not as a limitation.

We claim,
1. An auto test bench system for kiosk type panel testing, said system comprising:
a. coupling means adapted to couple a panel said system;
b. testing means adapted to conduct tests selected from a plurality of tests on
said panel;
c. settings means adapted to set parameters for each of said tests;
d. output means adapted to receive output from said panel which is to be tested;
e. control logic adapted to receive each output, check for validity of each
output in accordance with pre-defined user setting, and to confirm validity or
score of each test; and
f. Annunciator means adapted to annunciate results of each test by means of
visual display or audio alarm or both.
2. A system as claimed in claim 1 wherein, said coupling is electrical coupling.
3. A system as claimed in claim 1 wherein, said coupling is input and output electrical coupling,
4-. A system as claimed in claim 1 wherein, said testing means includes a plurality of testing means, each testing means adapted to conduct a test selected from a group of tests consisting of Power pack checking test, AC circuit check test, Indication lamp and TCS check test, Closing circuit checking - local position test, Tripping circuit checking - local position test, Anti-pumping checking test, Closing circuit checking - remote position test, Tripping circuit checking -remote position test, NO / NC contact checking test, Metering and protection

circuit checking test through 3-phase voltage and current injection, Customer specific test, Balance voltage, balance current - no trip test, Balance voltage, unbalance current - no trip test, Unbalance voltage, balance current - no trip test, Unbalance voltage, unbalance current -trip test, Auto-reclosing sequence checking test
5. A system as clained in claim 1 wherein, said control logic is a PLC control logic.