Page 81: of Maritime Reporter Magazine (August 2018)

The Shipyard Edition

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TABLE 2 each of the test levels shown in Table 2, then returned to the 0° Pitch and 0° Roll and at the conclusion of the testing. position and proper operation is again

Test Levels Length of Test con? rmed. The length of both the Static • Static and Dynamic Inclination and the Dynamic testing is not set to a

Voltage Variation + 10% Voltage +5% Frequency Long Enough To Check Operation + 10% Voltage -5% Frequency Long Enough To Check Operation

This test method is performed to deter- de? ned time, but rather “long enough to -10% Voltage +5% Frequency Long Enough To Check Operation mine the ability of the EUT to withstand check operation”.

-10% Voltage -5% Frequency Long Enough To Check Operation the expected stresses due to static and dynamic inclination conditions that can Conclusion

Voltage Transients +20% Voltage +5% Frequency 3 Seconds Between Transients occur at sea, and to ensure that perfor- While it is highly likely that ? ux and +20% Voltage -5% Frequency 3 Seconds Between Transients mance degradations or malfunctions will more millions of words will be written -20% Voltage +5% frequency 3 Seconds Between Transients not be produced by the in-service static re: Ballast Water Management Systems -20% Voltage -5% Frequency 3 Seconds Between Transients inclination environment. areas, the USCG environmental simula-

During this test, the EUT is placed in tion and voltage variation requirements the appropriate Mode of Operation and six test steps. With the EUT positioned and +15° Roll position, 0° Pitch and - for system components are very well subjected to both static and dynamic on the inclination machine and with the 15° Roll position, and ? nally back to 0° de? ned and have been tested to on a inclination test conditions, as shown in machine set at 0° Pitch and 0° Roll posi- Pitch and 0° Roll position. After Static dailybasis for quite some time. The test

Table 1. Inclination is applied about the tion, the EUT is operated in its de? ned Inclination is completed Dynamic Incli- methods used are based on and rooted vertical axes in both directions. To per- in recognized national or international mode of operation and proper operation nation is performed. For the Dynamic form this testing the EUT is placed on con? rmed. The machine is then adjusted Inclination testing the inclination ma- consensus standards. When applied to the Incline Table and oriented to the In- to the following positions and at each chine is set to operate simultaneously BWMS components the test methods clination Machine table top as it would one, proper operation of the EUT is con- at ±22.5° Roll, ±7.5° Pitch. During this provide assurances for proper operations typically be aboard a ship. ? rmed, +15° Pitch and 0° Roll position, testing, the EUT is monitored for proper when such equipment is place into a ma-

The Static Inclination test consists of -15° Pitch and 0° Roll position, 0° Pitch operation. The inclination machine is rine environment.

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