Abstract
In the power sector, total capacity of wind power generations has been increasing drastically. However, the wind power affects the power grid frequency and the tie-line flow adversely because of the instability of output. In particular, these problems become significant at nighttime when the capacity of Load Frequency Control (LFC) tends to be insufficient. On the other hand, in the transport sector, Plug-in Hybrid Electric Vehicle (PHEV) is being developed as environmentally friendly vehicles. The electric energy of PHEVs is charged mainly during nighttime. Therefore, we have proposed a charging power control of PHEVs to compensate the LFC capacity in the nighttime. In this study, we propose a control method based on frequency characteristic of PHEV K PHEV, which is defined as a ratio of the change in charging power to the change in frequency. Area Requirement (AR) calculated by the LFC system is a required increment in generation; hence, we can also keep the balance of supply-and-demand by decreasing as much demand as AR. LFC signal f shift calculated by the following equation f shift = -AR/K PHEV is transmitted to all PHEVs in the area; then, PHEVs control the charging power on the basis of input signal. We evaluated the proposed control method by using an interconnected 2-area model and obtained the following results. Charging power control based on the proposed method can effectively suppress the tie-line flow deviation and it could substitute for LFC capacity.
| Original language | English |
|---|---|
| Journal | IEEJ Transactions on Power and Energy |
| Volume | 129 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2009 |
| Externally published | Yes |
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Keywords
- Charging power control
- Frequency
- LFC
- PHEV
- Tie-line
- Wind power generation
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Energy Engineering and Power Technology
Cite this
Load frequency control method by charge control for plug-in hybrid electric vehicles with LFC signal. / Takagi, Masaaki; Yamamoto, Hiromi; Yamaji, Kenji; Okano, Kunihiko; Hiwatari, Ryouji; Ikeya, Tomohiko.
In: IEEJ Transactions on Power and Energy, Vol. 129, No. 11, 2009.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Load frequency control method by charge control for plug-in hybrid electric vehicles with LFC signal
AU - Takagi, Masaaki
AU - Yamamoto, Hiromi
AU - Yamaji, Kenji
AU - Okano, Kunihiko
AU - Hiwatari, Ryouji
AU - Ikeya, Tomohiko
PY - 2009
Y1 - 2009
N2 - In the power sector, total capacity of wind power generations has been increasing drastically. However, the wind power affects the power grid frequency and the tie-line flow adversely because of the instability of output. In particular, these problems become significant at nighttime when the capacity of Load Frequency Control (LFC) tends to be insufficient. On the other hand, in the transport sector, Plug-in Hybrid Electric Vehicle (PHEV) is being developed as environmentally friendly vehicles. The electric energy of PHEVs is charged mainly during nighttime. Therefore, we have proposed a charging power control of PHEVs to compensate the LFC capacity in the nighttime. In this study, we propose a control method based on frequency characteristic of PHEV K PHEV, which is defined as a ratio of the change in charging power to the change in frequency. Area Requirement (AR) calculated by the LFC system is a required increment in generation; hence, we can also keep the balance of supply-and-demand by decreasing as much demand as AR. LFC signal f shift calculated by the following equation f shift = -AR/K PHEV is transmitted to all PHEVs in the area; then, PHEVs control the charging power on the basis of input signal. We evaluated the proposed control method by using an interconnected 2-area model and obtained the following results. Charging power control based on the proposed method can effectively suppress the tie-line flow deviation and it could substitute for LFC capacity.
AB - In the power sector, total capacity of wind power generations has been increasing drastically. However, the wind power affects the power grid frequency and the tie-line flow adversely because of the instability of output. In particular, these problems become significant at nighttime when the capacity of Load Frequency Control (LFC) tends to be insufficient. On the other hand, in the transport sector, Plug-in Hybrid Electric Vehicle (PHEV) is being developed as environmentally friendly vehicles. The electric energy of PHEVs is charged mainly during nighttime. Therefore, we have proposed a charging power control of PHEVs to compensate the LFC capacity in the nighttime. In this study, we propose a control method based on frequency characteristic of PHEV K PHEV, which is defined as a ratio of the change in charging power to the change in frequency. Area Requirement (AR) calculated by the LFC system is a required increment in generation; hence, we can also keep the balance of supply-and-demand by decreasing as much demand as AR. LFC signal f shift calculated by the following equation f shift = -AR/K PHEV is transmitted to all PHEVs in the area; then, PHEVs control the charging power on the basis of input signal. We evaluated the proposed control method by using an interconnected 2-area model and obtained the following results. Charging power control based on the proposed method can effectively suppress the tie-line flow deviation and it could substitute for LFC capacity.
KW - Charging power control
KW - Frequency
KW - LFC
KW - PHEV
KW - Tie-line
KW - Wind power generation
UR - http://www.scopus.com/inward/record.url?scp=72849132949&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=72849132949&partnerID=8YFLogxK
U2 - 10.1541/ieejpes.129.1342
DO - 10.1541/ieejpes.129.1342
M3 - Article
VL - 129
JO - IEEJ Transactions on Power and Energy
JF - IEEJ Transactions on Power and Energy
SN - 0385-4213
IS - 11
ER -