Secondary Current Injector

This device is a portable, high-current rise designed specifically for utility-substation applications. This alternating current (AC) test device is used primarily for injection testing of protective relays.The same device can also be used for testing thermal, magnetic and solid-state motor-protection relays, and molded case circuit breakers. The tester is versatile and can be used in many other applications that may require a high-current risie. The device has the following features: One variable AC current rising (0-600A).One internal current meter (range from 1 to 999 A).One built-in digital timer displays tested timing results in both milliseconds and cycles. An external current meter (input range from 0 to 10A) is also available to the user. Test results display on a 4-line by 20-character, back lighted LCD. The front panel control arrangement is designed to allow a user to intuitively operate the device with a minimum of training.

The device controls and displays are shown in the control-panel illustration Pointing leader lines reference each item with an index number. Each index number is cross-referenced to a functional description, which describes the function and purpose of each item on the control panel. Although the purpose of these controls and the display may seem obvious and intuitive, users should become familiar with them before attempting to use the PCI-600. First-time users should also review and become familiar with the Safety Summary on the front page.

Secundary AC Current Source

AC tests current, from 10A to 600A, are set by the "Current Control" knob on the front panel. The test current is measured and displayed on the LCD. The PCI-600 output current ratings are shown in next table

Table Currnt Output vs Time

Output @ 120 Vac - Output @ 240 Vac - Time
5.6 Vac @ 100 A - 9.5 Vac @ 100 A - 1 hour
5.3 Vac @ 200 A - 9.4 Vac @ 200 A - 5 minutes
4.9 Vac @ 300 A - 9.0 Vac @ 300 A - 2 minutes
4.6 Vac @ 400 A - 8.2 Vac @ 400 A - 1 minute
4.2 Vac @ 500 A - 7.5 Vac @ 500 A - 30 seconds
3.9 Vac @ 600 A - 7.0 Vac @ 600 A - 20 seconds

PCI-600 Current Output Control

The PCI-600 current inception output is controlled by the "UP" and "DOWN" arrows shown in Figure 2.0. Three control modes are available: "ON+TMR", "OFF" and MONT".The "OFF" mode indicates that both the current rising output and timer are off.The "MONT" mode turns on the current inception momentarily. To turn on the current rising, press and hold the "DOWN" arrow key. The "MONT" indicator indicates the PCI-600 current antecedent is on and the output current is displayed on the LCD. The PCI-600 current output can now be set by turning the "CURRENT CONTROL" knob. Release the "DOWN"arrow key to turn off the current rising. The "ON+TMR" mode turns on the PCI-600 current source and timer. This initiates a test and is stopped by using the Timer Stop inputs. The test results will be displayed on the LCD. The test can be terminated by pressing the "DOWN" arrow key. In this case, no test results will be displayed on the LCD.

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