LAB 1_Static Var Compensator.pdf

2 model 9063 b consists of the data acquisition and

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(2) Model 9063-B consists of the Data Acquisition and Control Interface, Model 9063, with function 9069-1. Equipment Utilization Chart Appendix A
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MODULE DESCRIPTION The Data Acquisition and Control Interface (DACI) performs two main functions: data acquisition feeding raw signal data to the computer-based instruments, and data acquisition for implementing a control function. Each DACI can perform these two functions at the same time. However, when a complex control function is implemented, the DACI stops data acquisition for the computer-based instruments and performs only data acquisition for the control function. The DACI has four isolated, high-level voltage inputs and four isolated, high-level current inputs. All these inputs are fitted with 4-mm banana safety jacks to make connections to electric power circuits implemented with Lab-Volt equipment quick, safe, and easy. The DACI also has eight low-level, analog inputs which allow measurement of other circuit parameters. Two of these inputs can be used to measure torque and speed using a dynamometer (Model 8960-1 or 8960-2). Finally, the DACI is provided with three digital inputs which can be monitored through the LVDAC-EMS software. Two of these digital inputs are used as an incremental encoder input (A-B) for speed measurement and the third input is used for synchronization. The eight low-level analog inputs and the three digital inputs are all fitted with miniature (2 mm) safety banana jacks to avoid accidental connection to high-level outputs. The DACI has a parallel digital output which can be used to control Lab-Volt power electronics modules like the IGBT Chopper/Inverter, Model 8837, and the Power Thyristors, Model 8841. This output can also be used to control other types of modules. The parallel digital output provides TTL-level signals on a 9-pin, D-type connector. The DACI includes two additional digital outputs that also provide TTL-level signals. 1. Model 9063 – Data Acquisition and Control Interface Appendix B 13
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Model 8841 – Power Thyristors The Power Thyristors module, Model 8841, consists of six power thyristors (SCRs) mounted in a half-size EMS enclosure. Each individual thyristor is protected against overcurrents and short-circuits. All the anodes and cathodes of the thyristors are terminated on the front panel by color-coded, 4 mm safety banana jacks. To reduce the number of external connections, the most typical thyristor configurations can be achieved through the use of two toggle switches on the front panel. A firing control section allows six 0-5 V pulse signals from either the Data Acquisition and Control Interface, Model 9063, the Thyristor Firing Unit, Model 9030, or any compatible 0-5 V control unit, to be applied to the gating circuits of the thyristors. The signals are input in the Power Thyristors module through a 9 pin connector. Six miniature banana jacks in this section are used as test points to monitor the firing control signals using an oscilloscope. They can also be used to inject 0-5 V pulse
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