- •Memorize the words and word combinations and their equivalents.
- •Find the words and combinations of words in the text and translate the sentences containing them.
- •Read and translate the text.
- •Translate the word combinations from the text:
- •Point out the sentences in the text in which the word “to make” should be translated as “примушувати”.
- •Answer the questions.
- •Find the sentences in the text telling you about two problems facing the simple two pole dc motor. Text b Compensation for stator field distortion
- •Make sure that you know these words and word combinations.
- •Read and translate the text.
- •Answer the questions.
- •Text c Dynamo Design Variations
- •Read and memorise the words and word combinations.
- •Permanent magnet motor – двигун з постійним магнитом
- •Read and translate the text.
- •Answer the questions.
- •Listen to the words and word combinations from the text. Pay attention to their meaning.
- •Memorize the words and word combinations and their equivalents.
- •Read and translate the text.
- •Match the words and word combinations (a-e) to the sentences (1-5)
- •Answer the questions to the text
- •Say if the statement to the text is true or false
- •Translate the sentences paying attention to Indefinite Tenses in Active and Passive. Correct the mistakes in the sentences.
- •Text b Basic construction
- •Listen to the words and word combinations from the text. Pay attention to their meaning.
- •Memorize the words and word combinations and their equivalents
- •Read and translate the text
- •Match the words and word combinations (a-e) to the sentences (1-5)
- •Answer the questions to the text
- •Say if the statements to the text are true or false
- •Translate the sentences paying attention to Indefinite Tenses in Active and Passive. Correct the mistakes in the sentences.
- •Text c Principles of operation
- •Listen to the words and word combinations from the text. Pay attention to their meaning.
- •Find the words and combinations of words in the text and translate the sentences containing them.
- •Memorize the words and word combinations and their equivalents.
- •Read and translate the text
- •Match the words and word combinations (a-f) to the sentences (1-6)
- •Answer the questions to the text
- •Define the functions of Participle I and Participle II in the following sentences
- •Say, which of the sentences are in the Active and which are in the Passive Voice
- •Translate the sentences paying attention to the Sequence of Tenses
- •Translate the following Conditional sentences
- •Transformer Text a
- •Read and memorize words and word-combination
- •Make sure that you know these words and word combinations.
- •Read and translate the text.
- •Math the following English words with the Ukrainian ones.
- •Find English equivalents to the words:
- •Translate the word combinations from the text:
- •Answer the questions to the text.
- •Text b Operation at different frequencies
- •Read and memorize the words and word-combinations
- •Be sure that you know these words
- •Read and translate the text.
- •Text c Limitations
- •Make sure that you know these words and word combinations.
- •Read and translate the text.
- •Find the equivalents to the following.
- •Text d Construction
- •Read and memorise the words and word combinations
- •Read and translate the text. Cores
- •Find the equivalents to the folloving English words:
- •Point out English equivalents to the words:
- •Translate the word combinations.
- •Answer the questions.
- •Read the passage about steel cores. Retell it. Text e Windings
- •Listen to the words and word combinations from the text and memorize them.
- •Read and translate the text.
- •Match the English words and word combinations with the Ukrainian ones.
- •Insulation of windings
- •Text g Shielding
- •Supplement Speed control
- •Dc motor starters
- •Shielding
- •Autotransformers
- •Voltage transformers
- •Pulse transformers
- •3 Phase electrical power Transformer
- •3 Phase Transformer Delta and Wye Connections
- •Перелік скорочень
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Find the equivalents to the following.
iron losses – втрати в обмотці
energy losses – паразитні втрати
winding resistance losses – втрати на охолоджувальну систему
eddy current losses – втрати на магнітострикцію
hysteresis losses – втрати на механічні процеси
magnetostriction losses – втрати на вихрові струми
mechanical losses – втрати на гістерезис
stray losses – втрати енергії
cooling system losses – активні втрати
copper loss – втрати у сердечнику
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Find English equivalents to the words:
потік розсіювання, збуджувати, несуча конструкція, перехоплювати, коливання, споживати, вплив близькості сусіднього провода, розсіюватись, перетворювати, змінювати напрямок на зворотній, індукувати, коливатись, споживати, опір, навпаки, вставний.
-
Translate the word combinations.
Highly efficient, resistive heating, large power transformers, frictional heating, alternating magnetic field, fluctuating electromagnetic forces, transformer's support structure, water-cooled heat exchanger; load – dependent losses; no – load loss.
-
Answer the questions.
-
What cannot transformers do alone?
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What kinds of losses are attributable to transformers?
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Are you agree with the statements?
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Fluctuating electromagnetic forces between the primary and secondary windings doesn’t incite vibrations within nearby metalwork.
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Small power transformers may be equipped with cooling fans, oil pumps or water-cooled heat exchangers.
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Speak on all kinds of losses.
Text d Construction
-
Listen to the words and word combinations from the text. Pay attention to their meaning.
lamination – пластина
E-shaped – Ш-образний стрижень
C-core – U образний стрижень
piece – частина
laminated – слоїстий, шихтований, пластинчатий
stack – складати
interleave – прошаровувати
gap – проміжок
press together – зпресовувати, прошаровувати
reduce – зменшувати
width – ширина
insulation – ізоляція
area – площа
effective – діючий, результативний
capacitor – конденсатор
gradually – поступово
wedging – розклинювання
increase – збільшуватись (сь)
overlap – накладання, перекривання
grain – структура
remanence – залишкова магнітна індукція, залишкова намагніченість
strip – стрічка, штаба
rectangular – прямокутний
thickness – товщина
remove – знімати, виймати, усувати
bond – з’єднувати.
-
Read and memorise the words and word combinations
grind – шліфувати
smooth – рівний, гладкий
fit – підганяти, приладжувати
tight – щільний
halve – половина
strap – скоба
triangular – трикутний
cross-section – поперечний розтин
due to – завдяки
toroidal – тороїдальний
bending – вигин, викривлення
retain – зберігати
static – статичний
reapply – подавати, прикладати знову
residual – залишковий
inrush current – пробійний струм
cycle – цикл
alternating current – змінний струм
overcurrent protection – захист від надструмів
fuse – плавкий запобіжник
power transmission line – лінія електропередачі
geomagnetic – геомагнітний
disturbance – збурення
false operation – помилкове спрацьовування
protection device – захисний пристрій
operating frequency – робоча частота
ferrite – ферит
VHF band – діапазон дуже високих частот.