This thesis presents the design and construction of an experiments of the power flow in the power systems. For the operating system of the power flow in the power systems. Comprise with the real power Reactive power Voltage in the power system. To guide the planning and operation of power systems. The results of the experiment to calculate the pressure at various points in the Power loss of system. As well as finding solutions to problems. Occurring in the system such as under voltage or short circuit in the system. This is the basic of stability analysis of power system operation and planning

The purposes of this research were to investigate (1) the image factors affecting parents’ loyalty on the use of BUB in da POOL swimming center for babies and toddlers and (2) services factors affecting parents’ loyalty on the use of BUB in da POOL swimming center for babies and toddlers. Data were collected through the questionnaire responded by 174 parents of the children and analyzed by the frequency percentage mean and standard deviation to analyze information on image factors and service quality that affected the parental loyalty of children using the BUB in da POOL Infant and Child Training Center. Pearson Product Moment Correlation Pearsons Product Moment Correlation Coefficient and Multiple Regression Analysis were applied to analyze the data. The research revealed that the image influenced the loyalty of children’s parents using BUB in da POOL business with the branding image value of 0.422 and the corporate image of 0.330 influencing the parental loyalty of children using the BUB in da POOL at the highest level. While branding image factor did not affect the parental loyalty of the child using the center. The quality factor influenced the parental loyalty of children using the BUB in da POOL Center at 0.422 of with the reliability of 0.184 and the parents’ attention to the ง service quality was 0.234 which influenced the parental loyalty. Responding to the parents of children using the service had the greatest impact on the parental loyalty while the factor regarding its compactness of the services and trustworthiness trust did not affect the loyalty of parents of children who used the center for teaching babies BUB in da POOL.

The first purpose of this research is to study the using of personnel management system of Rajamagala University of Technology Phranakhon. Secondly the satisfaction in system using is suggested. The investigation and gathering information from university workers are done by questionnaire of satisfaction. The information is evaluated by using frequency percentage mean and standard deviation term. The reliability of two samples is tested by t-test using Alpha Coefficient of Cronbach and the reliability of more than two samples is tested by One Way Analysis of Variance. The results showed that the efficiency of using the personnel management system is the same as the system which is used in division of personnel management administration and division of general administration. The setting manual and log out of system which used in sub-system of each role are consistent with research hypothesis. The analysis of satisfaction of all workers between sexes (male and female) and between duties (support and academic staff) showed that the satisfaction in personnel management system is at high level. The university plan to develop the system continuously to face the changing and the present.

This study was aimed at studying factors affecting secondary students decision making to attend tutorial schools in Muang District Nonthaburi. 400 samples from 5 schools were selected. Data collection began in 2016 and were analyzed by logistic regression analysis The results revealed that most students chose to participate in tutorial classes The factors affecting decision making were family incomes as well as the course to study at the significance level of 0.05 It was also found in the research that the Marketing Mix and social factors did not influence the decision making to attend tutorial schools at a significant level of 0.05

The research was aimed to investigate the extent of participation and factors affecting personnel participation in public organization development (group 2). The population in this study were 1917 personnel working in public organizations (group 2). The researcher determined the sample size using Craig and Morgan method. The samples used in the study were 321 persons. In this research a self-constructed questionnaire was used as the instrument to collect data which then were analyzed using percentage mean and standard deviation Two-way ANOVA and Multiple Regression analysis. The research results were as follows. 1. The study on factors affecting personnel participation in public organization development (group 2) revealed that factor regarding attitude towards work participation was at high level with the average of 3.97; environmental factor in the organization towards organizational participation was at high level with the average of 3.93; motivation factor was at high level with the average of 3.85; communication factor was at high level with the average of 3.80; communication factor was at high level with an average of 3.80; and organizational culture factor was at a high level with an average of 3.79 2. Differences in terms of experiences and workplaces were not statistically significant and had no influence on the participation in the organizational development of personnel in public organizations. 3. Attitude factors did not statistically influence the participation in organizational development of personnel in public organizations. 4. Motivation and communication factors influenced the participation in organizational environment and organizational development of personnel in public organization (group 2) at the .05 level of significance totally predicted the dependable variables by 4.6 percent.