A sea symphony; for soprano and baritone soli, chorus and orchestra. Words by Walt Whitman.

Words printed as text : p. ii-iv.

Symphony concertante, op. 84 ; Horn concerto (1762) /

Cover title.

Te Deum; for 3 choirs, orchestra and organ, op. 22.

Mode of access: Internet.

Song of triumph for tenor solo, men's chorus and orchestra. Op.55.

Mode of access: Internet.

Der Rose Pilgerfahrt : for soli, chorus and orchestra, op.112 /

Mode of access: Internet.

Psalm no. 42, for solo, chorus and orchestra; op. 42.

Words in German.

Serenade and Allegro giojoso, for piano and orchestra; op.43.

Mode of access: Internet.

Psalm no. 95, for solo, chorus and orchestra; op.46.

Words in German.

Psalm no. 114; op.51, for 8 voices, chorus and orchestra. Psalm no. 98, op. 91, for 8 voices, chorus and orchestra.

Words in German.

Lauda Sion, for chorus and orchestra. Op. 73.

Mode of access: Internet.

Three sacred works for solo voice, chorus and orchestra:

Hymne, op. 96.--Tu es Petrus, op. 111.--"Verleih Frieden"

Psalm 150 : for chorus, orchestra and organ /

Mode of access: Internet.

Online two-section PV array fault diagnosis with optimized voltage sensor locations

Photovoltaic (PV) stations have been widely built in the world to utilize solar energy directly. In order to reduce the capital and operational costs, early fault diagnosis is playing an increasingly important role by enabling the long effective operation of PV arrays. This paper analyzes the terminal characteristics of faulty PV strings and arrays, and it develops a PV array fault diagnosis technique. The terminal current-voltage curve of a faulty PV array is divided into two sections, i.e., high-voltage and low-voltage fault diagnosis sections. The corresponding working points of healthy string modules and of healthy and faulty modules in an unhealthy string are then analyzed for each section. By probing into different working points, a faulty PV module can be located. The fault information is of critical importance for the maximum power point tracking and the array dynamical reconfiguration. Furthermore, the string current sensors can be eliminated, and the number of voltage sensors can be reduced by optimizing voltage sensor locations. Typical fault scenarios including monostring, multistring, and a partial shadow for a 1.6-kW 3 $times$ 3 PV array are presented and experimentally tested to confirm the effectiveness of the proposed fault diagnosis method.

Aprendizagem musical na Orquestra Sinfônica da UFRN

Music and music education are present in the daily lives of people in different ways and in multiple contexts. In this study, we highlight the musical training in the orchestral context aiming to understand how learning music happens in the Symphony Orches tra of the Universidade Federal do Ri o Grande do Norte – OSUFRN. To achieve this goal, we identified all the activities, structure and functioning in OSUFRN; we have observed the development of activities of the group by checking the interactions among the participants of the orchestra and the different ways to learn music in that orchestral context. The research is based on discussions about collective musical practice, instrumen tal training in music education, the process of learning and the relationship between young people and music in the context of collective musical practice learning. Qualitative approach and case study were used as methodological procedures. Data collection was established by means of on - site observations, accompanying of the activities, rehearsals and performances of group and semi - structured interviews with the conductor and some participants with more time in the orchestra. We have also used photographs a nd footage that helped us in the procedure collection and construction of data. The analysis and interpretation of these data were enforced by Content Analysis featuring. It reveals the musical learning, through learning instances perceived in rehearsals, concerts, in living with the conductor and between musicians, teachers, employees and guest musicians, individually in travel and exchanges with other orchestral groups. In this way the activities developed by the group enable a comprehensive musical educa tion that guides to acquire autonomy in their learning and preparing them for future careers.

On string topology of classifying spaces

Peer reviewed