Rectifier Test:

1.To verify that all rectifiers are reporting correctly to the controller, navigate through the menu and verify that the status for every rectifier in the system is correct.

2.Remove any rectifier and verify that you get a Minor Relay Output for rectifier 1 of n failure.

3.Remove a second rectifier and verify that you get a Major Relay Output for rectifier 2 of n failure.

Battery Power Up

1.Monitor battery current and verify that it is +/- 0.1 A.

2.Set battery maximum recharge value in the Max Batt Rech screen.

3.Monitor the battery current while closing the battery disconnects or installing open battery links. Arcing can occur during this connection.

4.The voltage may drop if the maximum battery recharge current is exceeded.

5.The current should gradually decrease when the battery is nearing full charge.

LVD Test

1.Enable LVD 1.

2.Set the LVD trip for LVD 1 to negative 56 Vdc.

3.The LVD should have dropped out (opened). Verify by monitoring the voltage at the battery connection. Also, the minor alarm should be on.

4.Set LVD Trip back to negative 42 Vdc.

5.The LVD should have closed. Verify visually or by monitoring the voltage at the battery connection. The minor alarm should be off.

6.Ensure that the LVD parameters are set to desired value.

Circuit Breaker/ Fuse Test:

1.Monitor alarm screen for fuse alarm while installing blown GMT fuses in each position.

2.Verify proper voltage at fuse and circuit breaker output connections.

3.Turn on fuses and circuit breakers as desired.

User Inputs

1.Change the user input to desired output relay via the controller for any input that will be used.

2.Exercise the output relay by causing the user input to change state.

3.Verify the desired relay output LED on the controller module.

Magnum VS –48 Vdc User Manual

Page 23

Page 23
Image 23
American Power Conversion VS 50 Rectifier Test, Battery Power Up, LVD Test, Circuit Breaker/ Fuse Test, User Inputs

VS 50, VS 100 specifications

American Power Conversion (APC), a brand under Schneider Electric, is renowned for its uninterruptible power supplies (UPS) and provides a range of solutions for both commercial and personal use. Among their various product lines, the APC Smart-UPS 1000VA (VS 1000) and Smart-UPS 500VA (VS 500) stand out due to their features, technologies, and specifications tailored to different operational needs.

The APC Smart-UPS 1000VA is designed for advanced power protection, capable of supporting servers, network equipment, and more demanding applications. It features a pure sine wave output, which is critical for sensitive electronics, ensuring devices receive a stable and clean power source even during outages. The VS 1000 is equipped with an extensive battery backup, offering up to 9 minutes of runtime at full load.

A notable technology employed in the Smart-UPS 1000 is the Automatic Voltage Regulation (AVR), which maintains output voltage stability by adjusting boost and trim in situations of under or over voltage. The unit has an LCD interface, providing real-time data regarding load capacity, runtime, and battery health, enabling users to easily monitor and manage performance. Additionally, with its compact design, the VS 1000 can fit into various settings, maximizing space efficiency.

In contrast, the APC Smart-UPS 500VA targets smaller operations, offering a more compact solution for basic power protection needs. Like its larger counterpart, it also provides pure sine wave output, ensuring the safe operation of connected equipment. The VS 500 is designed for less intensive applications, making it suitable for desktop computers, network devices, and home office setups.

The 500VA model supports shorter runtimes, typically around 3 to 6 minutes under full load but is ideal for situations where downtime needs to be minimized. The Smart-UPS 500VA features similar Automatic Voltage Regulation technology, maintaining voltage stability under fluctuating conditions. However, it comes with a more straightforward LCD display, providing essential information on power status and battery levels without overwhelming the user.

In summary, the APC Smart-UPS 1000VA and 500VA cater to different user requirements, with the VS 1000 offering robust features for larger setups and the VS 500 serving as a versatile option for home or small office use. Both models integrate essential technologies such as pure sine wave output and AVR, showcasing APC’s commitment to high-quality power solutions. Whether for commercial or personal use, these units demonstrate APC's ability to provide reliable power protection tailored to diverse needs.