Neutral current compensation in three phase, four wire systems a review

... IEEE Transactions on Power Electronics, Vol. 6, No. 1, January 1991, pp. 62-72. [2] Takao Kawabata, Takeshi Miyashita and Yushin Yamamoto, "Dead Beat Control of three- Phase PWM Inverter", ... the dc voltage portion, so that it does not affect the output voltage. References [1] Takao Kawabata, Takeshi Miyashita and Yushin Yamamoto, "Digital Control of three- Phase In...

Ngày tải lên: 19/01/2014, 02:20

... during two separate simultaneous line-to-earth short circuits in isolated neutral or resonant earthed neutral systems; b) partial short-circuit currents flowing through earth in case of single ... or armouring of cables. 3.4 earth current I ETn r.m.s. value of the earth current causing the potential to rise above earth at an overhead line tower n in the vicinity of a statio...

Ngày tải lên: 04/04/2014, 11:58

... patients in the sample. Lineweaver and colleagues [146] submitted AD patients to a mental rotation task and found that accuracy decreased as rotational angle increased. According to the authors, ... (1991). [7] Carli M, Luschi R and Samanin R. Dose-related impairment of spatial learning by intrahippocampal scopolamine: antagonism by ondansetron, a 5-HT3 receptor antagonist. Behav...

Ngày tải lên: 14/02/2014, 07:20

... (collecting) performance data: Once indicators and targets are set, actual data for each indicator is collected at regular intervals. Implementation monitoring involves the on-going recording of data ... on measuring and achieving results. Also, references are sometimes made to leading indicators that are available sooner and more easily than statistics on impact and can act as proxies, or ca...

Ngày tải lên: 21/02/2014, 11:20

... Bilinska B and Bourguiba S: Aromatase expression and role of estrogens in male gonad : a review Reprod Biol Endocrinol 2003, 1:35. 73. Rago V, Bilinska B, Palma A, Ando S and Carpino A: Evidence ... with age in levels of serum gonadotropins, prolactin and gonadal steroids in prepubertal male and female rats Endocrinology 1975, 97:898-907. 86. Kumari GL, Allag IS, Das RP and Datta...

Ngày tải lên: 05/03/2014, 17:20

... converters. Various techniques, different in concept, have been described in two main groups: linear and nonlinear. The first includes proportional integral stationary and synchronous) and state feedback ... been systematically described in this paper. The advantages and limitations have been briefly examined, and the application field where each technique is particularly suited has been i...

Ngày tải lên: 03/01/2014, 19:45

... rhinorrhea, coryza, arthralgia, myalgia, prostration, odynophagia, chest pain, abdominal pain, and nasal congestion. Data were reported by the attending physicians reviewing medical charts, ... elevated aspartate aminotransferase (144.5 ± 178.07 U/L). Thirteen patients had elevated alanine aminotrans- ferase (121.2 ± 127.5 U/L). Sixteen patients (26%) had increased creatinin kinase lev...

Ngày tải lên: 25/10/2012, 11:04

... of vaccination aganist influenza among HCWs. The data are summarized in table 2. T h e r e was no significant association between HCWs age and the vaccination status in both UAE and Kuwait ... vaccination. Character UAE (%) Kuwait (%) Oman (%) Vacci- nated Non- vac- cinated Biva- riate P Vacci- nated Non- vac- cinated Biva- riate P Vacci- nated non- vacci- nated Biva- riate...

Ngày tải lên: 25/10/2012, 11:40