5SHY4045L0006 3BHB030310R0001 ABB Ethernet module

Product Details

Product Description

Product Description
5SHY4045L0006 3BHB030310R0001 ABB Ethernet module
5SHY4045L0006 3BHB030310R0001 ABB Ethernet module
In this users guide the most important aspects of the gate unit power supply, the insulation interface, the optical interface, control and the diagnostic functionality during normal operation and during fault occurrences are explained. Also environmental issues such as electromagnetic immunity, vibration compliance and thermal management are briefly covered. As an appetizer an example of a functional block diagram of an IGCT gate unit is given in figure 1: 3.1. Power Supply Interface Insulation The insulation requirement in the IGCT environment is a function of the maximum applied nominal voltage of the converter application itself. This voltage varies from a few thousand volts to several tens of thousands of volts over the IGCT application range. Hence, the requirements on insulation strength and distances can be very different. Furthermore, the power which needs to be transferred through the insulation interface is also strongly application dependent, and users are likely to require quite different insulation interfaces in terms of both power handling capability and insulation strength. As this also applies to the costs of the interface, standardisation of the insulation interface is difficult. This is why the IGCT gate unit does not provide an onboard potential separation. The gate unit power supply output as well as the supply cable must withstand the high voltage potential of the power semiconductor switch against all other relevant potentials in the converter.
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The connector X1 (figure 2) is specified in the corresponding IGCT data sheet. Information about the corresponding power cable connector can be found on the connector supplier’s website, which is also mentioned in the data sheet.
The gate units have built-in rectifiers and voltage regulators. Hence the insulation transformer output can be connected directly to the gate unit power supply input. It is also possible to supply the gate unit with a DC-Voltage. The input voltage of the gate unit VGIN,RMS has to be within the range specified in the data sheet. Note that only square-wave AC-voltage is specified. Do not use a sinusoidal AC-voltage for the supply.
Figure 3 shows the principle of the input stage. When voltage is applied, the capacitor CIN is charged. After a delay of about 3 s the internal voltage regulator starts to charge the large capacitor bank. The voltage regulator limits the charge current to IGIN Max (see data sheet).
When supplying the gate unit with AC-square wave voltage, the following items have to be considered: The supply itself and the supply line always contain some stray inductance. As a consequence of this stray inductance, the supply current will have a saw tooth shape as shown in figure 4. The current slope results in a voltage drop across the stray inductance. When power is transferred to the gate unit, the source voltage has therefore to be higher than the minimum required gate unit input voltage VGIN,RMS: However it must not be higher than the maximum allowed input voltage for quiescent operation

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